428580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{2381}}^1$

素因数の和:2396

約数の個数: 36

約数和(自身を含む): 1300572

約数和(自身を除く): 871992

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 2381, 4762, 7143, 9524, 11905, 14286, 21429, 23810, 28572, 35715, 42858, 47620, 71430, 85716, 107145, 142860, 214290, 428580]

約数ペア:

[(1, 428580), (2, 214290), (3, 142860), (4, 107145), (5, 85716), (6, 71430), (9, 47620), (10, 42858), (12, 35715), (15, 28572), (18, 23810), (20, 21429), (30, 14286), (36, 11905), (45, 9524), (60, 7143), (90, 4762), (180, 2381)]