64690020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{359389}}^1$

素因数の和:359404

約数の個数: 36

約数和(自身を含む): 196226940

約数和(自身を除く): 131536920

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 359389, 718778, 1078167, 1437556, 1796945, 2156334, 3234501, 3593890, 4312668, 5390835, 6469002, 7187780, 10781670, 12938004, 16172505, 21563340, 32345010, 64690020]

約数ペア:

[(1, 64690020), (2, 32345010), (3, 21563340), (4, 16172505), (5, 12938004), (6, 10781670), (9, 7187780), (10, 6469002), (12, 5390835), (15, 4312668), (18, 3593890), (20, 3234501), (30, 2156334), (36, 1796945), (45, 1437556), (60, 1078167), (90, 718778), (180, 359389)]