81527880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1367}}^1$

素因数の和:1459

約数の個数: 128

約数和(自身を含む): 283668480

約数和(自身を除く): 202140600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 71, 84, 105, 120, 140, 142, 168, 210, 213, 280, 284, 355, 420, 426, 497, 568, 710, 840, 852, 994, 1065, 1367, 1420, 1491, 1704, 1988, 2130, 2485, 2734, 2840, 2982, 3976, 4101, 4260, 4970, 5468, 5964, 6835, 7455, 8202, 8520, 9569, 9940, 10936, 11928, 13670, 14910, 16404, 19138, 19880, 20505, 27340, 28707, 29820, 32808, 38276, 41010, 47845, 54680, 57414, 59640, 76552, 82020, 95690, 97057, 114828, 143535, 164040, 191380, 194114, 229656, 287070, 291171, 382760, 388228, 485285, 574140, 582342, 679399, 776456, 970570, 1148280, 1164684, 1358798, 1455855, 1941140, 2038197, 2329368, 2717596, 2911710, 3396995, 3882280, 4076394, 5435192, 5823420, 6793990, 8152788, 10190985, 11646840, 13587980, 16305576, 20381970, 27175960, 40763940, 81527880]

約数ペア:

[(1, 81527880), (2, 40763940), (3, 27175960), (4, 20381970), (5, 16305576), (6, 13587980), (7, 11646840), (8, 10190985), (10, 8152788), (12, 6793990), (14, 5823420), (15, 5435192), (20, 4076394), (21, 3882280), (24, 3396995), (28, 2911710), (30, 2717596), (35, 2329368), (40, 2038197), (42, 1941140), (56, 1455855), (60, 1358798), (70, 1164684), (71, 1148280), (84, 970570), (105, 776456), (120, 679399), (140, 582342), (142, 574140), (168, 485285), (210, 388228), (213, 382760), (280, 291171), (284, 287070), (355, 229656), (420, 194114), (426, 191380), (497, 164040), (568, 143535), (710, 114828), (840, 97057), (852, 95690), (994, 82020), (1065, 76552), (1367, 59640), (1420, 57414), (1491, 54680), (1704, 47845), (1988, 41010), (2130, 38276), (2485, 32808), (2734, 29820), (2840, 28707), (2982, 27340), (3976, 20505), (4101, 19880), (4260, 19138), (4970, 16404), (5468, 14910), (5964, 13670), (6835, 11928), (7455, 10936), (8202, 9940), (8520, 9569)]