30986940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{516449}}^1$

素因数の和:516461

約数の個数: 24

約数和(自身を含む): 86763600

約数和(自身を除く): 55776660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 516449, 1032898, 1549347, 2065796, 2582245, 3098694, 5164490, 6197388, 7746735, 10328980, 15493470, 30986940]

約数ペア:

[(1, 30986940), (2, 15493470), (3, 10328980), (4, 7746735), (5, 6197388), (6, 5164490), (10, 3098694), (12, 2582245), (15, 2065796), (20, 1549347), (30, 1032898), (60, 516449)]