281794920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{213481}}^1$

素因数の和:213506

約数の個数: 64

約数和(自身を含む): 922242240

約数和(自身を除く): 640447320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 213481, 426962, 640443, 853924, 1067405, 1280886, 1707848, 2134810, 2348291, 2561772, 3202215, 4269620, 4696582, 5123544, 6404430, 7044873, 8539240, 9393164, 11741455, 12808860, 14089746, 18786328, 23482910, 25617720, 28179492, 35224365, 46965820, 56358984, 70448730, 93931640, 140897460, 281794920]

約数ペア:

[(1, 281794920), (2, 140897460), (3, 93931640), (4, 70448730), (5, 56358984), (6, 46965820), (8, 35224365), (10, 28179492), (11, 25617720), (12, 23482910), (15, 18786328), (20, 14089746), (22, 12808860), (24, 11741455), (30, 9393164), (33, 8539240), (40, 7044873), (44, 6404430), (55, 5123544), (60, 4696582), (66, 4269620), (88, 3202215), (110, 2561772), (120, 2348291), (132, 2134810), (165, 1707848), (220, 1280886), (264, 1067405), (330, 853924), (440, 640443), (660, 426962), (1320, 213481)]