245807680

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:468

約数の個数: 112

約数和(自身を含む): 614476800

約数和(自身を除く): 368669120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 71, 80, 124, 142, 155, 160, 248, 284, 310, 320, 349, 355, 496, 568, 620, 698, 710, 992, 1136, 1240, 1396, 1420, 1745, 1984, 2201, 2272, 2480, 2792, 2840, 3490, 4402, 4544, 4960, 5584, 5680, 6980, 8804, 9920, 10819, 11005, 11168, 11360, 13960, 17608, 21638, 22010, 22336, 22720, 24779, 27920, 35216, 43276, 44020, 49558, 54095, 55840, 70432, 86552, 88040, 99116, 108190, 111680, 123895, 140864, 173104, 176080, 198232, 216380, 247790, 346208, 352160, 396464, 432760, 495580, 692416, 704320, 768149, 792928, 865520, 991160, 1536298, 1585856, 1731040, 1982320, 3072596, 3462080, 3840745, 3964640, 6145192, 7681490, 7929280, 12290384, 15362980, 24580768, 30725960, 49161536, 61451920, 122903840, 245807680]

約数ペア:

[(1, 245807680), (2, 122903840), (4, 61451920), (5, 49161536), (8, 30725960), (10, 24580768), (16, 15362980), (20, 12290384), (31, 7929280), (32, 7681490), (40, 6145192), (62, 3964640), (64, 3840745), (71, 3462080), (80, 3072596), (124, 1982320), (142, 1731040), (155, 1585856), (160, 1536298), (248, 991160), (284, 865520), (310, 792928), (320, 768149), (349, 704320), (355, 692416), (496, 495580), (568, 432760), (620, 396464), (698, 352160), (710, 346208), (992, 247790), (1136, 216380), (1240, 198232), (1396, 176080), (1420, 173104), (1745, 140864), (1984, 123895), (2201, 111680), (2272, 108190), (2480, 99116), (2792, 88040), (2840, 86552), (3490, 70432), (4402, 55840), (4544, 54095), (4960, 49558), (5584, 44020), (5680, 43276), (6980, 35216), (8804, 27920), (9920, 24779), (10819, 22720), (11005, 22336), (11168, 22010), (11360, 21638), (13960, 17608)]