72774680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{165397}}^1$

素因数の和:165419

約数の個数: 32

約数和(自身を含む): 178629840

約数和(自身を除く): 105855160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 165397, 330794, 661588, 826985, 1323176, 1653970, 1819367, 3307940, 3638734, 6615880, 7277468, 9096835, 14554936, 18193670, 36387340, 72774680]

約数ペア:

[(1, 72774680), (2, 36387340), (4, 18193670), (5, 14554936), (8, 9096835), (10, 7277468), (11, 6615880), (20, 3638734), (22, 3307940), (40, 1819367), (44, 1653970), (55, 1323176), (88, 826985), (110, 661588), (220, 330794), (440, 165397)]