81508710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{2251}}^1$

素因数の和:2349

約数の個数: 64

約数和(自身を含む): 210138624

約数和(自身を除く): 128629914

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 71, 85, 102, 142, 170, 213, 255, 355, 426, 510, 710, 1065, 1207, 2130, 2251, 2414, 3621, 4502, 6035, 6753, 7242, 11255, 12070, 13506, 18105, 22510, 33765, 36210, 38267, 67530, 76534, 114801, 159821, 191335, 229602, 319642, 382670, 479463, 574005, 799105, 958926, 1148010, 1598210, 2397315, 2716957, 4794630, 5433914, 8150871, 13584785, 16301742, 27169570, 40754355, 81508710]

約数ペア:

[(1, 81508710), (2, 40754355), (3, 27169570), (5, 16301742), (6, 13584785), (10, 8150871), (15, 5433914), (17, 4794630), (30, 2716957), (34, 2397315), (51, 1598210), (71, 1148010), (85, 958926), (102, 799105), (142, 574005), (170, 479463), (213, 382670), (255, 319642), (355, 229602), (426, 191335), (510, 159821), (710, 114801), (1065, 76534), (1207, 67530), (2130, 38267), (2251, 36210), (2414, 33765), (3621, 22510), (4502, 18105), (6035, 13506), (6753, 12070), (7242, 11255)]