15222980

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1861}}^1$

素因数の和:2279

約数の個数: 24

約数和(自身を含む): 32063640

約数和(自身を除く): 16840660

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1636, 1861, 2045, 3722, 4090, 7444, 8180, 9305, 18610, 37220, 761149, 1522298, 3044596, 3805745, 7611490, 15222980]

約数ペア:

[(1, 15222980), (2, 7611490), (4, 3805745), (5, 3044596), (10, 1522298), (20, 761149), (409, 37220), (818, 18610), (1636, 9305), (1861, 8180), (2045, 7444), (3722, 4090)]