15480980

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{2473}}^1$

素因数の和:2795

約数の個数: 24

約数和(自身を含む): 32627112

約数和(自身を除く): 17146132

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 2473, 3130, 4946, 6260, 9892, 12365, 24730, 49460, 774049, 1548098, 3096196, 3870245, 7740490, 15480980]

約数ペア:

[(1, 15480980), (2, 7740490), (4, 3870245), (5, 3096196), (10, 1548098), (20, 774049), (313, 49460), (626, 24730), (1252, 12365), (1565, 9892), (2473, 6260), (3130, 4946)]