15840780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{264013}}^1$

素因数の和:264025

約数の個数: 24

約数和(自身を含む): 44354352

約数和(自身を除く): 28513572

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 264013, 528026, 792039, 1056052, 1320065, 1584078, 2640130, 3168156, 3960195, 5280260, 7920390, 15840780]

約数ペア:

[(1, 15840780), (2, 7920390), (3, 5280260), (4, 3960195), (5, 3168156), (6, 2640130), (10, 1584078), (12, 1320065), (15, 1056052), (20, 792039), (30, 528026), (60, 264013)]