201516160

素因数分解:

$2^7\times 5^1\times {\mathrm{499}}^1\times {\mathrm{631}}^1$

素因数の和:1149

約数の個数: 64

約数和(自身を含む): 483480000

約数和(自身を除く): 281963840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 499, 631, 640, 998, 1262, 1996, 2495, 2524, 3155, 3992, 4990, 5048, 6310, 7984, 9980, 10096, 12620, 15968, 19960, 20192, 25240, 31936, 39920, 40384, 50480, 63872, 79840, 80768, 100960, 159680, 201920, 314869, 319360, 403840, 629738, 1259476, 1574345, 2518952, 3148690, 5037904, 6297380, 10075808, 12594760, 20151616, 25189520, 40303232, 50379040, 100758080, 201516160]

約数ペア:

[(1, 201516160), (2, 100758080), (4, 50379040), (5, 40303232), (8, 25189520), (10, 20151616), (16, 12594760), (20, 10075808), (32, 6297380), (40, 5037904), (64, 3148690), (80, 2518952), (128, 1574345), (160, 1259476), (320, 629738), (499, 403840), (631, 319360), (640, 314869), (998, 201920), (1262, 159680), (1996, 100960), (2495, 80768), (2524, 79840), (3155, 63872), (3992, 50480), (4990, 40384), (5048, 39920), (6310, 31936), (7984, 25240), (9980, 20192), (10096, 19960), (12620, 15968)]