1571367680

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{199}}^2$

素因数の和:450

約数の個数: 108

約数和(自身を含む): 3904955712

約数和(自身を除く): 2333588032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 199, 248, 256, 310, 320, 398, 496, 620, 640, 796, 992, 995, 1240, 1280, 1592, 1984, 1990, 2480, 3184, 3968, 3980, 4960, 6169, 6368, 7936, 7960, 9920, 12338, 12736, 15920, 19840, 24676, 25472, 30845, 31840, 39601, 39680, 49352, 50944, 61690, 63680, 79202, 98704, 123380, 127360, 158404, 197408, 198005, 246760, 254720, 316808, 394816, 396010, 493520, 633616, 789632, 792020, 987040, 1227631, 1267232, 1579264, 1584040, 1974080, 2455262, 2534464, 3168080, 3948160, 4910524, 5068928, 6138155, 6336160, 7896320, 9821048, 10137856, 12276310, 12672320, 19642096, 24552620, 25344640, 39284192, 49105240, 50689280, 78568384, 98210480, 157136768, 196420960, 314273536, 392841920, 785683840, 1571367680]

約数ペア:

[(1, 1571367680), (2, 785683840), (4, 392841920), (5, 314273536), (8, 196420960), (10, 157136768), (16, 98210480), (20, 78568384), (31, 50689280), (32, 49105240), (40, 39284192), (62, 25344640), (64, 24552620), (80, 19642096), (124, 12672320), (128, 12276310), (155, 10137856), (160, 9821048), (199, 7896320), (248, 6336160), (256, 6138155), (310, 5068928), (320, 4910524), (398, 3948160), (496, 3168080), (620, 2534464), (640, 2455262), (796, 1974080), (992, 1584040), (995, 1579264), (1240, 1267232), (1280, 1227631), (1592, 987040), (1984, 792020), (1990, 789632), (2480, 633616), (3184, 493520), (3968, 396010), (3980, 394816), (4960, 316808), (6169, 254720), (6368, 246760), (7936, 198005), (7960, 197408), (9920, 158404), (12338, 127360), (12736, 123380), (15920, 98704), (19840, 79202), (24676, 63680), (25472, 61690), (30845, 50944), (31840, 49352), (39601, 39680)]