12681780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2179}}^1$

素因数の和:2288

約数の個数: 48

約数和(自身を含む): 35891520

約数和(自身を除く): 23209740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 97, 194, 291, 388, 485, 582, 970, 1164, 1455, 1940, 2179, 2910, 4358, 5820, 6537, 8716, 10895, 13074, 21790, 26148, 32685, 43580, 65370, 130740, 211363, 422726, 634089, 845452, 1056815, 1268178, 2113630, 2536356, 3170445, 4227260, 6340890, 12681780]

約数ペア:

[(1, 12681780), (2, 6340890), (3, 4227260), (4, 3170445), (5, 2536356), (6, 2113630), (10, 1268178), (12, 1056815), (15, 845452), (20, 634089), (30, 422726), (60, 211363), (97, 130740), (194, 65370), (291, 43580), (388, 32685), (485, 26148), (582, 21790), (970, 13074), (1164, 10895), (1455, 8716), (1940, 6537), (2179, 5820), (2910, 4358)]