2680077920

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{283}}^1$

素因数の和:497

約数の個数: 192

約数和(自身を含む): 7123878720

約数和(自身を除く): 4443800800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 32, 40, 52, 58, 65, 80, 104, 116, 130, 145, 157, 160, 208, 232, 260, 283, 290, 314, 377, 416, 464, 520, 566, 580, 628, 754, 785, 928, 1040, 1132, 1160, 1256, 1415, 1508, 1570, 1885, 2041, 2080, 2264, 2320, 2512, 2830, 3016, 3140, 3679, 3770, 4082, 4528, 4553, 4640, 5024, 5660, 6032, 6280, 7358, 7540, 8164, 8207, 9056, 9106, 10205, 11320, 12064, 12560, 14716, 15080, 16328, 16414, 18212, 18395, 20410, 22640, 22765, 25120, 29432, 30160, 32656, 32828, 36424, 36790, 40820, 41035, 44431, 45280, 45530, 58864, 59189, 60320, 65312, 65656, 72848, 73580, 81640, 82070, 88862, 91060, 106691, 117728, 118378, 131312, 145696, 147160, 163280, 164140, 177724, 182120, 213382, 222155, 236756, 262624, 294320, 295945, 326560, 328280, 355448, 364240, 426764, 444310, 473512, 533455, 577603, 588640, 591890, 656560, 710896, 728480, 853528, 888620, 947024, 1066910, 1155206, 1183780, 1288499, 1313120, 1421792, 1707056, 1777240, 1894048, 2133820, 2310412, 2367560, 2576998, 2888015, 3414112, 3554480, 4267640, 4620824, 4735120, 5153996, 5776030, 6442495, 7108960, 8535280, 9241648, 9470240, 10307992, 11552060, 12884990, 16750487, 17070560, 18483296, 20615984, 23104120, 25769980, 33500974, 41231968, 46208240, 51539960, 67001948, 83752435, 92416480, 103079920, 134003896, 167504870, 206159840, 268007792, 335009740, 536015584, 670019480, 1340038960, 2680077920]

約数ペア:

[(1, 2680077920), (2, 1340038960), (4, 670019480), (5, 536015584), (8, 335009740), (10, 268007792), (13, 206159840), (16, 167504870), (20, 134003896), (26, 103079920), (29, 92416480), (32, 83752435), (40, 67001948), (52, 51539960), (58, 46208240), (65, 41231968), (80, 33500974), (104, 25769980), (116, 23104120), (130, 20615984), (145, 18483296), (157, 17070560), (160, 16750487), (208, 12884990), (232, 11552060), (260, 10307992), (283, 9470240), (290, 9241648), (314, 8535280), (377, 7108960), (416, 6442495), (464, 5776030), (520, 5153996), (566, 4735120), (580, 4620824), (628, 4267640), (754, 3554480), (785, 3414112), (928, 2888015), (1040, 2576998), (1132, 2367560), (1160, 2310412), (1256, 2133820), (1415, 1894048), (1508, 1777240), (1570, 1707056), (1885, 1421792), (2041, 1313120), (2080, 1288499), (2264, 1183780), (2320, 1155206), (2512, 1066910), (2830, 947024), (3016, 888620), (3140, 853528), (3679, 728480), (3770, 710896), (4082, 656560), (4528, 591890), (4553, 588640), (4640, 577603), (5024, 533455), (5660, 473512), (6032, 444310), (6280, 426764), (7358, 364240), (7540, 355448), (8164, 328280), (8207, 326560), (9056, 295945), (9106, 294320), (10205, 262624), (11320, 236756), (12064, 222155), (12560, 213382), (14716, 182120), (15080, 177724), (16328, 164140), (16414, 163280), (18212, 147160), (18395, 145696), (20410, 131312), (22640, 118378), (22765, 117728), (25120, 106691), (29432, 91060), (30160, 88862), (32656, 82070), (32828, 81640), (36424, 73580), (36790, 72848), (40820, 65656), (41035, 65312), (44431, 60320), (45280, 59189), (45530, 58864)]