261085392

素因数分解:

$2^4\times 3^2\times {\mathrm{907}}^1\times {\mathrm{1999}}^1$

素因数の和:2920

約数の個数: 60

約数和(自身を含む): 731848000

約数和(自身を除く): 470762608

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 907, 1814, 1999, 2721, 3628, 3998, 5442, 5997, 7256, 7996, 8163, 10884, 11994, 14512, 15992, 16326, 17991, 21768, 23988, 31984, 32652, 35982, 43536, 47976, 65304, 71964, 95952, 130608, 143928, 287856, 1813093, 3626186, 5439279, 7252372, 10878558, 14504744, 16317837, 21757116, 29009488, 32635674, 43514232, 65271348, 87028464, 130542696, 261085392]

約数ペア:

[(1, 261085392), (2, 130542696), (3, 87028464), (4, 65271348), (6, 43514232), (8, 32635674), (9, 29009488), (12, 21757116), (16, 16317837), (18, 14504744), (24, 10878558), (36, 7252372), (48, 5439279), (72, 3626186), (144, 1813093), (907, 287856), (1814, 143928), (1999, 130608), (2721, 95952), (3628, 71964), (3998, 65304), (5442, 47976), (5997, 43536), (7256, 35982), (7996, 32652), (8163, 31984), (10884, 23988), (11994, 21768), (14512, 17991), (15992, 16326)]