105400920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:313

約数の個数: 128

約数和(自身を含む): 326592000

約数和(自身を除く): 221191080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 89, 120, 139, 142, 178, 213, 267, 278, 284, 355, 356, 417, 426, 445, 534, 556, 568, 695, 710, 712, 834, 852, 890, 1065, 1068, 1112, 1335, 1390, 1420, 1668, 1704, 1780, 2085, 2130, 2136, 2670, 2780, 2840, 3336, 3560, 4170, 4260, 5340, 5560, 6319, 8340, 8520, 9869, 10680, 12371, 12638, 16680, 18957, 19738, 24742, 25276, 29607, 31595, 37113, 37914, 39476, 49345, 49484, 50552, 59214, 61855, 63190, 74226, 75828, 78952, 94785, 98690, 98968, 118428, 123710, 126380, 148035, 148452, 151656, 185565, 189570, 197380, 236856, 247420, 252760, 296070, 296904, 371130, 379140, 394760, 494840, 592140, 742260, 758280, 878341, 1184280, 1484520, 1756682, 2635023, 3513364, 4391705, 5270046, 7026728, 8783410, 10540092, 13175115, 17566820, 21080184, 26350230, 35133640, 52700460, 105400920]

約数ペア:

[(1, 105400920), (2, 52700460), (3, 35133640), (4, 26350230), (5, 21080184), (6, 17566820), (8, 13175115), (10, 10540092), (12, 8783410), (15, 7026728), (20, 5270046), (24, 4391705), (30, 3513364), (40, 2635023), (60, 1756682), (71, 1484520), (89, 1184280), (120, 878341), (139, 758280), (142, 742260), (178, 592140), (213, 494840), (267, 394760), (278, 379140), (284, 371130), (355, 296904), (356, 296070), (417, 252760), (426, 247420), (445, 236856), (534, 197380), (556, 189570), (568, 185565), (695, 151656), (710, 148452), (712, 148035), (834, 126380), (852, 123710), (890, 118428), (1065, 98968), (1068, 98690), (1112, 94785), (1335, 78952), (1390, 75828), (1420, 74226), (1668, 63190), (1704, 61855), (1780, 59214), (2085, 50552), (2130, 49484), (2136, 49345), (2670, 39476), (2780, 37914), (2840, 37113), (3336, 31595), (3560, 29607), (4170, 25276), (4260, 24742), (5340, 19738), (5560, 18957), (6319, 16680), (8340, 12638), (8520, 12371), (9869, 10680)]