168965680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4391}}^1$

素因数の和:4454

約数の個数: 80

約数和(自身を含む): 434597184

約数和(自身を除く): 265631504

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 37, 40, 52, 65, 74, 80, 104, 130, 148, 185, 208, 260, 296, 370, 481, 520, 592, 740, 962, 1040, 1480, 1924, 2405, 2960, 3848, 4391, 4810, 7696, 8782, 9620, 17564, 19240, 21955, 35128, 38480, 43910, 57083, 70256, 87820, 114166, 162467, 175640, 228332, 285415, 324934, 351280, 456664, 570830, 649868, 812335, 913328, 1141660, 1299736, 1624670, 2112071, 2283320, 2599472, 3249340, 4224142, 4566640, 6498680, 8448284, 10560355, 12997360, 16896568, 21120710, 33793136, 42241420, 84482840, 168965680]

約数ペア:

[(1, 168965680), (2, 84482840), (4, 42241420), (5, 33793136), (8, 21120710), (10, 16896568), (13, 12997360), (16, 10560355), (20, 8448284), (26, 6498680), (37, 4566640), (40, 4224142), (52, 3249340), (65, 2599472), (74, 2283320), (80, 2112071), (104, 1624670), (130, 1299736), (148, 1141660), (185, 913328), (208, 812335), (260, 649868), (296, 570830), (370, 456664), (481, 351280), (520, 324934), (592, 285415), (740, 228332), (962, 175640), (1040, 162467), (1480, 114166), (1924, 87820), (2405, 70256), (2960, 57083), (3848, 43910), (4391, 38480), (4810, 35128), (7696, 21955), (8782, 19240), (9620, 17564)]