77400780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1290013}}^1$

素因数の和:1290025

約数の個数: 24

約数和(自身を含む): 216722352

約数和(自身を除く): 139321572

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1290013, 2580026, 3870039, 5160052, 6450065, 7740078, 12900130, 15480156, 19350195, 25800260, 38700390, 77400780]

約数ペア:

[(1, 77400780), (2, 38700390), (3, 25800260), (4, 19350195), (5, 15480156), (6, 12900130), (10, 7740078), (12, 6450065), (15, 5160052), (20, 3870039), (30, 2580026), (60, 1290013)]