31277080

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{457}}^1$

素因数の和:556

約数の個数: 64

約数和(自身を含む): 74196000

約数和(自身を除く): 42918920

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 59, 116, 118, 145, 232, 236, 290, 295, 457, 472, 580, 590, 914, 1160, 1180, 1711, 1828, 2285, 2360, 3422, 3656, 4570, 6844, 8555, 9140, 13253, 13688, 17110, 18280, 26506, 26963, 34220, 53012, 53926, 66265, 68440, 106024, 107852, 132530, 134815, 215704, 265060, 269630, 530120, 539260, 781927, 1078520, 1563854, 3127708, 3909635, 6255416, 7819270, 15638540, 31277080]

約数ペア:

[(1, 31277080), (2, 15638540), (4, 7819270), (5, 6255416), (8, 3909635), (10, 3127708), (20, 1563854), (29, 1078520), (40, 781927), (58, 539260), (59, 530120), (116, 269630), (118, 265060), (145, 215704), (232, 134815), (236, 132530), (290, 107852), (295, 106024), (457, 68440), (472, 66265), (580, 53926), (590, 53012), (914, 34220), (1160, 26963), (1180, 26506), (1711, 18280), (1828, 17110), (2285, 13688), (2360, 13253), (3422, 9140), (3656, 8555), (4570, 6844)]