40188840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:227

約数の個数: 128

約数和(自身を含む): 125971200

約数和(自身を除く): 85782360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 53, 60, 71, 89, 106, 120, 142, 159, 178, 212, 213, 265, 267, 284, 318, 355, 356, 424, 426, 445, 530, 534, 568, 636, 710, 712, 795, 852, 890, 1060, 1065, 1068, 1272, 1335, 1420, 1590, 1704, 1780, 2120, 2130, 2136, 2670, 2840, 3180, 3560, 3763, 4260, 4717, 5340, 6319, 6360, 7526, 8520, 9434, 10680, 11289, 12638, 14151, 15052, 18815, 18868, 18957, 22578, 23585, 25276, 28302, 30104, 31595, 37630, 37736, 37914, 45156, 47170, 50552, 56445, 56604, 63190, 70755, 75260, 75828, 90312, 94340, 94785, 112890, 113208, 126380, 141510, 150520, 151656, 188680, 189570, 225780, 252760, 283020, 334907, 379140, 451560, 566040, 669814, 758280, 1004721, 1339628, 1674535, 2009442, 2679256, 3349070, 4018884, 5023605, 6698140, 8037768, 10047210, 13396280, 20094420, 40188840]

約数ペア:

[(1, 40188840), (2, 20094420), (3, 13396280), (4, 10047210), (5, 8037768), (6, 6698140), (8, 5023605), (10, 4018884), (12, 3349070), (15, 2679256), (20, 2009442), (24, 1674535), (30, 1339628), (40, 1004721), (53, 758280), (60, 669814), (71, 566040), (89, 451560), (106, 379140), (120, 334907), (142, 283020), (159, 252760), (178, 225780), (212, 189570), (213, 188680), (265, 151656), (267, 150520), (284, 141510), (318, 126380), (355, 113208), (356, 112890), (424, 94785), (426, 94340), (445, 90312), (530, 75828), (534, 75260), (568, 70755), (636, 63190), (710, 56604), (712, 56445), (795, 50552), (852, 47170), (890, 45156), (1060, 37914), (1065, 37736), (1068, 37630), (1272, 31595), (1335, 30104), (1420, 28302), (1590, 25276), (1704, 23585), (1780, 22578), (2120, 18957), (2130, 18868), (2136, 18815), (2670, 15052), (2840, 14151), (3180, 12638), (3560, 11289), (3763, 10680), (4260, 9434), (4717, 8520), (5340, 7526), (6319, 6360)]