1520815360

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{38327}}^1$

素因数の和:38379

約数の個数: 72

約数和(自身を含む): 3760436736

約数和(自身を除く): 2239621376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 4960, 7936, 9920, 19840, 38327, 39680, 76654, 153308, 191635, 306616, 383270, 613232, 766540, 1188137, 1226464, 1533080, 2376274, 2452928, 3066160, 4752548, 4905856, 5940685, 6132320, 9505096, 9811712, 11881370, 12264640, 19010192, 23762740, 24529280, 38020384, 47525480, 49058560, 76040768, 95050960, 152081536, 190101920, 304163072, 380203840, 760407680, 1520815360]

約数ペア:

[(1, 1520815360), (2, 760407680), (4, 380203840), (5, 304163072), (8, 190101920), (10, 152081536), (16, 95050960), (20, 76040768), (31, 49058560), (32, 47525480), (40, 38020384), (62, 24529280), (64, 23762740), (80, 19010192), (124, 12264640), (128, 11881370), (155, 9811712), (160, 9505096), (248, 6132320), (256, 5940685), (310, 4905856), (320, 4752548), (496, 3066160), (620, 2452928), (640, 2376274), (992, 1533080), (1240, 1226464), (1280, 1188137), (1984, 766540), (2480, 613232), (3968, 383270), (4960, 306616), (7936, 191635), (9920, 153308), (19840, 76654), (38327, 39680)]