72997380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{405541}}^1$

素因数の和:405556

約数の個数: 36

約数和(自身を含む): 221425932

約数和(自身を除く): 148428552

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 405541, 811082, 1216623, 1622164, 2027705, 2433246, 3649869, 4055410, 4866492, 6083115, 7299738, 8110820, 12166230, 14599476, 18249345, 24332460, 36498690, 72997380]

約数ペア:

[(1, 72997380), (2, 36498690), (3, 24332460), (4, 18249345), (5, 14599476), (6, 12166230), (9, 8110820), (10, 7299738), (12, 6083115), (15, 4866492), (18, 4055410), (20, 3649869), (30, 2433246), (36, 2027705), (45, 1622164), (60, 1216623), (90, 811082), (180, 405541)]