15480620

素因数分解:

$2^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{1171}}^1$

素因数の和:1841

約数の個数: 24

約数和(自身を含む): 32586288

約数和(自身を除く): 17105668

約数列:

[1, 2, 4, 5, 10, 20, 661, 1171, 1322, 2342, 2644, 3305, 4684, 5855, 6610, 11710, 13220, 23420, 774031, 1548062, 3096124, 3870155, 7740310, 15480620]

約数ペア:

[(1, 15480620), (2, 7740310), (4, 3870155), (5, 3096124), (10, 1548062), (20, 774031), (661, 23420), (1171, 13220), (1322, 11710), (2342, 6610), (2644, 5855), (3305, 4684)]