168678640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{2749}}^1$

素因数の和:2834

約数の個数: 80

約数和(自身を含む): 429660000

約数和(自身を除く): 260981360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 59, 65, 80, 104, 118, 130, 208, 236, 260, 295, 472, 520, 590, 767, 944, 1040, 1180, 1534, 2360, 2749, 3068, 3835, 4720, 5498, 6136, 7670, 10996, 12272, 13745, 15340, 21992, 27490, 30680, 35737, 43984, 54980, 61360, 71474, 109960, 142948, 162191, 178685, 219920, 285896, 324382, 357370, 571792, 648764, 714740, 810955, 1297528, 1429480, 1621910, 2108483, 2595056, 2858960, 3243820, 4216966, 6487640, 8433932, 10542415, 12975280, 16867864, 21084830, 33735728, 42169660, 84339320, 168678640]

約数ペア:

[(1, 168678640), (2, 84339320), (4, 42169660), (5, 33735728), (8, 21084830), (10, 16867864), (13, 12975280), (16, 10542415), (20, 8433932), (26, 6487640), (40, 4216966), (52, 3243820), (59, 2858960), (65, 2595056), (80, 2108483), (104, 1621910), (118, 1429480), (130, 1297528), (208, 810955), (236, 714740), (260, 648764), (295, 571792), (472, 357370), (520, 324382), (590, 285896), (767, 219920), (944, 178685), (1040, 162191), (1180, 142948), (1534, 109960), (2360, 71474), (2749, 61360), (3068, 54980), (3835, 43984), (4720, 35737), (5498, 30680), (6136, 27490), (7670, 21992), (10996, 15340), (12272, 13745)]