74064640

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4451}}^1$

素因数の和:4485

約数の個数: 72

約数和(自身を含む): 191097648

約数和(自身を除く): 117033008

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 4160, 4451, 8320, 8902, 16640, 17804, 22255, 35608, 44510, 57863, 71216, 89020, 115726, 142432, 178040, 231452, 284864, 289315, 356080, 462904, 569728, 578630, 712160, 925808, 1139456, 1157260, 1424320, 1851616, 2314520, 2848640, 3703232, 4629040, 5697280, 7406464, 9258080, 14812928, 18516160, 37032320, 74064640]

約数ペア:

[(1, 74064640), (2, 37032320), (4, 18516160), (5, 14812928), (8, 9258080), (10, 7406464), (13, 5697280), (16, 4629040), (20, 3703232), (26, 2848640), (32, 2314520), (40, 1851616), (52, 1424320), (64, 1157260), (65, 1139456), (80, 925808), (104, 712160), (128, 578630), (130, 569728), (160, 462904), (208, 356080), (256, 289315), (260, 284864), (320, 231452), (416, 178040), (520, 142432), (640, 115726), (832, 89020), (1040, 71216), (1280, 57863), (1664, 44510), (2080, 35608), (3328, 22255), (4160, 17804), (4451, 16640), (8320, 8902)]