67640220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{375779}}^1$

素因数の和:375794

約数の個数: 36

約数和(自身を含む): 205175880

約数和(自身を除く): 137535660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 375779, 751558, 1127337, 1503116, 1878895, 2254674, 3382011, 3757790, 4509348, 5636685, 6764022, 7515580, 11273370, 13528044, 16910055, 22546740, 33820110, 67640220]

約数ペア:

[(1, 67640220), (2, 33820110), (3, 22546740), (4, 16910055), (5, 13528044), (6, 11273370), (9, 7515580), (10, 6764022), (12, 5636685), (15, 4509348), (18, 3757790), (20, 3382011), (30, 2254674), (36, 1878895), (45, 1503116), (60, 1127337), (90, 751558), (180, 375779)]