257917920

素因数分解:

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

素因数の和:41364

約数の個数: 96

約数和(自身を含む): 874958112

約数和(自身を除く): 617040192

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 80, 96, 104, 120, 130, 156, 160, 195, 208, 240, 260, 312, 390, 416, 480, 520, 624, 780, 1040, 1248, 1560, 2080, 3120, 6240, 41333, 82666, 123999, 165332, 206665, 247998, 330664, 413330, 495996, 537329, 619995, 661328, 826660, 991992, 1074658, 1239990, 1322656, 1611987, 1653320, 1983984, 2149316, 2479980, 2686645, 3223974, 3306640, 3967968, 4298632, 4959960, 5373290, 6447948, 6613280, 8059935, 8597264, 9919920, 10746580, 12895896, 16119870, 17194528, 19839840, 21493160, 25791792, 32239740, 42986320, 51583584, 64479480, 85972640, 128958960, 257917920]

約数ペア:

[(1, 257917920), (2, 128958960), (3, 85972640), (4, 64479480), (5, 51583584), (6, 42986320), (8, 32239740), (10, 25791792), (12, 21493160), (13, 19839840), (15, 17194528), (16, 16119870), (20, 12895896), (24, 10746580), (26, 9919920), (30, 8597264), (32, 8059935), (39, 6613280), (40, 6447948), (48, 5373290), (52, 4959960), (60, 4298632), (65, 3967968), (78, 3306640), (80, 3223974), (96, 2686645), (104, 2479980), (120, 2149316), (130, 1983984), (156, 1653320), (160, 1611987), (195, 1322656), (208, 1239990), (240, 1074658), (260, 991992), (312, 826660), (390, 661328), (416, 619995), (480, 537329), (520, 495996), (624, 413330), (780, 330664), (1040, 247998), (1248, 206665), (1560, 165332), (2080, 123999), (3120, 82666), (6240, 41333)]