68693220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{381629}}^1$

素因数の和:381644

約数の個数: 36

約数和(自身を含む): 208369980

約数和(自身を除く): 139676760

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 381629, 763258, 1144887, 1526516, 1908145, 2289774, 3434661, 3816290, 4579548, 5724435, 6869322, 7632580, 11448870, 13738644, 17173305, 22897740, 34346610, 68693220]

約数ペア:

[(1, 68693220), (2, 34346610), (3, 22897740), (4, 17173305), (5, 13738644), (6, 11448870), (9, 7632580), (10, 6869322), (12, 5724435), (15, 4579548), (18, 3816290), (20, 3434661), (30, 2289774), (36, 1908145), (45, 1526516), (60, 1144887), (90, 763258), (180, 381629)]