131490780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2191513}}^1$

素因数の和:2191525

約数の個数: 24

約数和(自身を含む): 368174352

約数和(自身を除く): 236683572

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2191513, 4383026, 6574539, 8766052, 10957565, 13149078, 21915130, 26298156, 32872695, 43830260, 65745390, 131490780]

約数ペア:

[(1, 131490780), (2, 65745390), (3, 43830260), (4, 32872695), (5, 26298156), (6, 21915130), (10, 13149078), (12, 10957565), (15, 8766052), (20, 6574539), (30, 4383026), (60, 2191513)]