128958960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41333}}^1$

素因数の和:41362

約数の個数: 80

約数和(自身を含む): 430534944

約数和(自身を除く): 301575984

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, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 41333, 82666, 123999, 165332, 206665, 247998, 330664, 413330, 495996, 537329, 619995, 661328, 826660, 991992, 1074658, 1239990, 1611987, 1653320, 1983984, 2149316, 2479980, 2686645, 3223974, 3306640, 4298632, 4959960, 5373290, 6447948, 8059935, 8597264, 9919920, 10746580, 12895896, 16119870, 21493160, 25791792, 32239740, 42986320, 64479480, 128958960]

約数ペア:

[(1, 128958960), (2, 64479480), (3, 42986320), (4, 32239740), (5, 25791792), (6, 21493160), (8, 16119870), (10, 12895896), (12, 10746580), (13, 9919920), (15, 8597264), (16, 8059935), (20, 6447948), (24, 5373290), (26, 4959960), (30, 4298632), (39, 3306640), (40, 3223974), (48, 2686645), (52, 2479980), (60, 2149316), (65, 1983984), (78, 1653320), (80, 1611987), (104, 1239990), (120, 1074658), (130, 991992), (156, 826660), (195, 661328), (208, 619995), (240, 537329), (260, 495996), (312, 413330), (390, 330664), (520, 247998), (624, 206665), (780, 165332), (1040, 123999), (1560, 82666), (3120, 41333)]