2561791440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{3407}}^1$

素因数の和:3677

約数の個数: 160

約数和(自身を含む): 8590450176

約数和(自身を除く): 6028658736

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, 241, 260, 312, 390, 482, 520, 624, 723, 780, 964, 1040, 1205, 1446, 1560, 1928, 2410, 2892, 3120, 3133, 3407, 3615, 3856, 4820, 5784, 6266, 6814, 7230, 9399, 9640, 10221, 11568, 12532, 13628, 14460, 15665, 17035, 18798, 19280, 20442, 25064, 27256, 28920, 31330, 34070, 37596, 40884, 44291, 46995, 50128, 51105, 54512, 57840, 62660, 68140, 75192, 81768, 88582, 93990, 102210, 125320, 132873, 136280, 150384, 163536, 177164, 187980, 204420, 221455, 250640, 265746, 272560, 354328, 375960, 408840, 442910, 531492, 664365, 708656, 751920, 817680, 821087, 885820, 1062984, 1328730, 1642174, 1771640, 2125968, 2463261, 2657460, 3284348, 3543280, 4105435, 4926522, 5314920, 6568696, 8210870, 9853044, 10629840, 10674131, 12316305, 13137392, 16421740, 19706088, 21348262, 24632610, 32022393, 32843480, 39412176, 42696524, 49265220, 53370655, 64044786, 65686960, 85393048, 98530440, 106741310, 128089572, 160111965, 170786096, 197060880, 213482620, 256179144, 320223930, 426965240, 512358288, 640447860, 853930480, 1280895720, 2561791440]

約数ペア:

[(1, 2561791440), (2, 1280895720), (3, 853930480), (4, 640447860), (5, 512358288), (6, 426965240), (8, 320223930), (10, 256179144), (12, 213482620), (13, 197060880), (15, 170786096), (16, 160111965), (20, 128089572), (24, 106741310), (26, 98530440), (30, 85393048), (39, 65686960), (40, 64044786), (48, 53370655), (52, 49265220), (60, 42696524), (65, 39412176), (78, 32843480), (80, 32022393), (104, 24632610), (120, 21348262), (130, 19706088), (156, 16421740), (195, 13137392), (208, 12316305), (240, 10674131), (241, 10629840), (260, 9853044), (312, 8210870), (390, 6568696), (482, 5314920), (520, 4926522), (624, 4105435), (723, 3543280), (780, 3284348), (964, 2657460), (1040, 2463261), (1205, 2125968), (1446, 1771640), (1560, 1642174), (1928, 1328730), (2410, 1062984), (2892, 885820), (3120, 821087), (3133, 817680), (3407, 751920), (3615, 708656), (3856, 664365), (4820, 531492), (5784, 442910), (6266, 408840), (6814, 375960), (7230, 354328), (9399, 272560), (9640, 265746), (10221, 250640), (11568, 221455), (12532, 204420), (13628, 187980), (14460, 177164), (15665, 163536), (17035, 150384), (18798, 136280), (19280, 132873), (20442, 125320), (25064, 102210), (27256, 93990), (28920, 88582), (31330, 81768), (34070, 75192), (37596, 68140), (40884, 62660), (44291, 57840), (46995, 54512), (50128, 51105)]