145519960

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1\times {\mathrm{313}}^1$

素因数の和:580

約数の個数: 64

約数和(自身を含む): 335728800

約数和(自身を除く): 190208840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 197, 236, 295, 313, 394, 472, 590, 626, 788, 985, 1180, 1252, 1565, 1576, 1970, 2360, 2504, 3130, 3940, 6260, 7880, 11623, 12520, 18467, 23246, 36934, 46492, 58115, 61661, 73868, 92335, 92984, 116230, 123322, 147736, 184670, 232460, 246644, 308305, 369340, 464920, 493288, 616610, 738680, 1233220, 2466440, 3637999, 7275998, 14551996, 18189995, 29103992, 36379990, 72759980, 145519960]

約数ペア:

[(1, 145519960), (2, 72759980), (4, 36379990), (5, 29103992), (8, 18189995), (10, 14551996), (20, 7275998), (40, 3637999), (59, 2466440), (118, 1233220), (197, 738680), (236, 616610), (295, 493288), (313, 464920), (394, 369340), (472, 308305), (590, 246644), (626, 232460), (788, 184670), (985, 147736), (1180, 123322), (1252, 116230), (1565, 92984), (1576, 92335), (1970, 73868), (2360, 61661), (2504, 58115), (3130, 46492), (3940, 36934), (6260, 23246), (7880, 18467), (11623, 12520)]