787553520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19417}}^1$

素因数の和:19459

約数の個数: 120

約数和(自身を含む): 2643799536

約数和(自身を除く): 1856246016

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 169, 195, 208, 240, 260, 312, 338, 390, 507, 520, 624, 676, 780, 845, 1014, 1040, 1352, 1560, 1690, 2028, 2535, 2704, 3120, 3380, 4056, 5070, 6760, 8112, 10140, 13520, 19417, 20280, 38834, 40560, 58251, 77668, 97085, 116502, 155336, 194170, 233004, 252421, 291255, 310672, 388340, 466008, 504842, 582510, 757263, 776680, 932016, 1009684, 1165020, 1262105, 1514526, 1553360, 2019368, 2330040, 2524210, 3029052, 3281473, 3786315, 4038736, 4660080, 5048420, 6058104, 6562946, 7572630, 9844419, 10096840, 12116208, 13125892, 15145260, 16407365, 19688838, 20193680, 26251784, 30290520, 32814730, 39377676, 49222095, 52503568, 60581040, 65629460, 78755352, 98444190, 131258920, 157510704, 196888380, 262517840, 393776760, 787553520]

約数ペア:

[(1, 787553520), (2, 393776760), (3, 262517840), (4, 196888380), (5, 157510704), (6, 131258920), (8, 98444190), (10, 78755352), (12, 65629460), (13, 60581040), (15, 52503568), (16, 49222095), (20, 39377676), (24, 32814730), (26, 30290520), (30, 26251784), (39, 20193680), (40, 19688838), (48, 16407365), (52, 15145260), (60, 13125892), (65, 12116208), (78, 10096840), (80, 9844419), (104, 7572630), (120, 6562946), (130, 6058104), (156, 5048420), (169, 4660080), (195, 4038736), (208, 3786315), (240, 3281473), (260, 3029052), (312, 2524210), (338, 2330040), (390, 2019368), (507, 1553360), (520, 1514526), (624, 1262105), (676, 1165020), (780, 1009684), (845, 932016), (1014, 776680), (1040, 757263), (1352, 582510), (1560, 504842), (1690, 466008), (2028, 388340), (2535, 310672), (2704, 291255), (3120, 252421), (3380, 233004), (4056, 194170), (5070, 155336), (6760, 116502), (8112, 97085), (10140, 77668), (13520, 58251), (19417, 40560), (20280, 38834)]