1521020

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{1289}}^1$

素因数の和:1357

約数の個数: 24

約数和(自身を含む): 3250800

約数和(自身を除く): 1729780

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 590, 1180, 1289, 2578, 5156, 6445, 12890, 25780, 76051, 152102, 304204, 380255, 760510, 1521020]

約数ペア:

[(1, 1521020), (2, 760510), (4, 380255), (5, 304204), (10, 152102), (20, 76051), (59, 25780), (118, 12890), (236, 6445), (295, 5156), (590, 2578), (1180, 1289)]