1688167260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{721439}}^1$

素因数の和:721467

約数の個数: 72

約数和(自身を含む): 5514687360

約数和(自身を除く): 3826520100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 721439, 1442878, 2164317, 2885756, 3607195, 4328634, 6492951, 7214390, 8657268, 9378707, 10821585, 12985902, 14428780, 18757414, 21643170, 25971804, 28136121, 32464755, 37514828, 43286340, 46893535, 56272242, 64929510, 84408363, 93787070, 112544484, 129859020, 140680605, 168816726, 187574140, 281361210, 337633452, 422041815, 562722420, 844083630, 1688167260]

約数ペア:

[(1, 1688167260), (2, 844083630), (3, 562722420), (4, 422041815), (5, 337633452), (6, 281361210), (9, 187574140), (10, 168816726), (12, 140680605), (13, 129859020), (15, 112544484), (18, 93787070), (20, 84408363), (26, 64929510), (30, 56272242), (36, 46893535), (39, 43286340), (45, 37514828), (52, 32464755), (60, 28136121), (65, 25971804), (78, 21643170), (90, 18757414), (117, 14428780), (130, 12985902), (156, 10821585), (180, 9378707), (195, 8657268), (234, 7214390), (260, 6492951), (390, 4328634), (468, 3607195), (585, 2885756), (780, 2164317), (1170, 1442878), (2340, 721439)]