78457620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1307627}}^1$

素因数の和:1307639

約数の個数: 24

約数和(自身を含む): 219681504

約数和(自身を除く): 141223884

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1307627, 2615254, 3922881, 5230508, 6538135, 7845762, 13076270, 15691524, 19614405, 26152540, 39228810, 78457620]

約数ペア:

[(1, 78457620), (2, 39228810), (3, 26152540), (4, 19614405), (5, 15691524), (6, 13076270), (10, 7845762), (12, 6538135), (15, 5230508), (20, 3922881), (30, 2615254), (60, 1307627)]