855559980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{18787}}^1$

素因数の和:18836

約数の個数: 144

約数和(自身を含む): 2954375424

約数和(自身を除く): 2098815444

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 23, 30, 33, 36, 44, 45, 46, 55, 60, 66, 69, 90, 92, 99, 110, 115, 132, 138, 165, 180, 198, 207, 220, 230, 253, 276, 330, 345, 396, 414, 460, 495, 506, 660, 690, 759, 828, 990, 1012, 1035, 1265, 1380, 1518, 1980, 2070, 2277, 2530, 3036, 3795, 4140, 4554, 5060, 7590, 9108, 11385, 15180, 18787, 22770, 37574, 45540, 56361, 75148, 93935, 112722, 169083, 187870, 206657, 225444, 281805, 338166, 375740, 413314, 432101, 563610, 619971, 676332, 826628, 845415, 864202, 1033285, 1127220, 1239942, 1296303, 1690830, 1728404, 1859913, 2066570, 2160505, 2479884, 2592606, 3099855, 3381660, 3719826, 3888909, 4133140, 4321010, 4753111, 5185212, 6199710, 6481515, 7439652, 7777818, 8642020, 9299565, 9506222, 12399420, 12963030, 14259333, 15555636, 18599130, 19012444, 19444545, 23765555, 25926060, 28518666, 37198260, 38889090, 42777999, 47531110, 57037332, 71296665, 77778180, 85555998, 95062220, 142593330, 171111996, 213889995, 285186660, 427779990, 855559980]

約数ペア:

[(1, 855559980), (2, 427779990), (3, 285186660), (4, 213889995), (5, 171111996), (6, 142593330), (9, 95062220), (10, 85555998), (11, 77778180), (12, 71296665), (15, 57037332), (18, 47531110), (20, 42777999), (22, 38889090), (23, 37198260), (30, 28518666), (33, 25926060), (36, 23765555), (44, 19444545), (45, 19012444), (46, 18599130), (55, 15555636), (60, 14259333), (66, 12963030), (69, 12399420), (90, 9506222), (92, 9299565), (99, 8642020), (110, 7777818), (115, 7439652), (132, 6481515), (138, 6199710), (165, 5185212), (180, 4753111), (198, 4321010), (207, 4133140), (220, 3888909), (230, 3719826), (253, 3381660), (276, 3099855), (330, 2592606), (345, 2479884), (396, 2160505), (414, 2066570), (460, 1859913), (495, 1728404), (506, 1690830), (660, 1296303), (690, 1239942), (759, 1127220), (828, 1033285), (990, 864202), (1012, 845415), (1035, 826628), (1265, 676332), (1380, 619971), (1518, 563610), (1980, 432101), (2070, 413314), (2277, 375740), (2530, 338166), (3036, 281805), (3795, 225444), (4140, 206657), (4554, 187870), (5060, 169083), (7590, 112722), (9108, 93935), (11385, 75148), (15180, 56361), (18787, 45540), (22770, 37574)]