68180220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{378779}}^1$

素因数の和:378794

約数の個数: 36

約数和(自身を含む): 206813880

約数和(自身を除く): 138633660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 378779, 757558, 1136337, 1515116, 1893895, 2272674, 3409011, 3787790, 4545348, 5681685, 6818022, 7575580, 11363370, 13636044, 17045055, 22726740, 34090110, 68180220]

約数ペア:

[(1, 68180220), (2, 34090110), (3, 22726740), (4, 17045055), (5, 13636044), (6, 11363370), (9, 7575580), (10, 6818022), (12, 5681685), (15, 4545348), (18, 3787790), (20, 3409011), (30, 2272674), (36, 1893895), (45, 1515116), (60, 1136337), (90, 757558), (180, 378779)]