15381455980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{69915709}}^1$

素因数の和:69915729

約数の個数: 24

約数和(自身を含む): 35237517840

約数和(自身を除く): 19856061860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 69915709, 139831418, 279662836, 349578545, 699157090, 769072799, 1398314180, 1538145598, 3076291196, 3845363995, 7690727990, 15381455980]

約数ペア:

[(1, 15381455980), (2, 7690727990), (4, 3845363995), (5, 3076291196), (10, 1538145598), (11, 1398314180), (20, 769072799), (22, 699157090), (44, 349578545), (55, 279662836), (110, 139831418), (220, 69915709)]