64992640

素因数分解:

$2^7\times 5^1\times {\mathrm{173}}^1\times {\mathrm{587}}^1$

素因数の和:779

約数の個数: 64

約数和(自身を含む): 156537360

約数和(自身を除く): 91544720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 173, 320, 346, 587, 640, 692, 865, 1174, 1384, 1730, 2348, 2768, 2935, 3460, 4696, 5536, 5870, 6920, 9392, 11072, 11740, 13840, 18784, 22144, 23480, 27680, 37568, 46960, 55360, 75136, 93920, 101551, 110720, 187840, 203102, 375680, 406204, 507755, 812408, 1015510, 1624816, 2031020, 3249632, 4062040, 6499264, 8124080, 12998528, 16248160, 32496320, 64992640]

約数ペア:

[(1, 64992640), (2, 32496320), (4, 16248160), (5, 12998528), (8, 8124080), (10, 6499264), (16, 4062040), (20, 3249632), (32, 2031020), (40, 1624816), (64, 1015510), (80, 812408), (128, 507755), (160, 406204), (173, 375680), (320, 203102), (346, 187840), (587, 110720), (640, 101551), (692, 93920), (865, 75136), (1174, 55360), (1384, 46960), (1730, 37568), (2348, 27680), (2768, 23480), (2935, 22144), (3460, 18784), (4696, 13840), (5536, 11740), (5870, 11072), (6920, 9392)]