The prime factorization of 6480 is 2 4×3 4×5 1.
How many positive integer factors (includes composite and prime) does 6480 have?
6480 has 50 factors.
Here is how the number of factors were calculated:
//In the future enter php code here to demonstrate how to find the number of factors.
The power factor one-dimensional arrays are:
Powers of 2: Array
(
[0] => 1
[1] => 2
[2] => 4
[3] => 8
[4] => 16
)
Powers of 3: Array
(
[0] => 1
[1] => 3
[2] => 9
[3] => 27
[4] => 81
)
Powers of 5: Array
(
[0] => 1
[1] => 5
)
The 50 composite factors of 6480 are listed in the array below:
Array
(
[0] => Array
(
[0] => Array
(
[0] => 1
[1] => 5
)
[1] => Array
(
[0] => 3
[1] => 15
)
[2] => Array
(
[0] => 9
[1] => 45
)
[3] => Array
(
[0] => 27
[1] => 135
)
[4] => Array
(
[0] => 81
[1] => 405
)
)
[1] => Array
(
[0] => Array
(
[0] => 2
[1] => 10
)
[1] => Array
(
[0] => 6
[1] => 30
)
[2] => Array
(
[0] => 18
[1] => 90
)
[3] => Array
(
[0] => 54
[1] => 270
)
[4] => Array
(
[0] => 162
[1] => 810
)
)
[2] => Array
(
[0] => Array
(
[0] => 4
[1] => 20
)
[1] => Array
(
[0] => 12
[1] => 60
)
[2] => Array
(
[0] => 36
[1] => 180
)
[3] => Array
(
[0] => 108
[1] => 540
)
[4] => Array
(
[0] => 324
[1] => 1620
)
)
[3] => Array
(
[0] => Array
(
[0] => 8
[1] => 40
)
[1] => Array
(
[0] => 24
[1] => 120
)
[2] => Array
(
[0] => 72
[1] => 360
)
[3] => Array
(
[0] => 216
[1] => 1080
)
[4] => Array
(
[0] => 648
[1] => 3240
)
)
[4] => Array
(
[0] => Array
(
[0] => 16
[1] => 80
)
[1] => Array
(
[0] => 48
[1] => 240
)
[2] => Array
(
[0] => 144
[1] => 720
)
[3] => Array
(
[0] => 432
[1] => 2160
)
[4] => Array
(
[0] => 1296
[1] => 6480
)
)
)
The composite factors listed in the array above are:
1 5 3 15 9 45 27 135 81 405 2 10 6 30 18 90 54 270 162 810 4 20 12 60 36 180 108 540 324 1620 8 40 24 120 72 360 216 1080 648 3240 16 80 48 240 144 720 432 2160 1296 6480