68972220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{383179}}^1$

素因数の和:383194

約数の個数: 36

約数和(自身を含む): 209216280

約数和(自身を除く): 140244060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 383179, 766358, 1149537, 1532716, 1915895, 2299074, 3448611, 3831790, 4598148, 5747685, 6897222, 7663580, 11495370, 13794444, 17243055, 22990740, 34486110, 68972220]

約数ペア:

[(1, 68972220), (2, 34486110), (3, 22990740), (4, 17243055), (5, 13794444), (6, 11495370), (9, 7663580), (10, 6897222), (12, 5747685), (15, 4598148), (18, 3831790), (20, 3448611), (30, 2299074), (36, 1915895), (45, 1532716), (60, 1149537), (90, 766358), (180, 383179)]