561690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{79}}^2$

素因数の和:171

約数の個数: 36

約数和(自身を含む): 1479114

約数和(自身を除く): 917424

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 79, 90, 158, 237, 395, 474, 711, 790, 1185, 1422, 2370, 3555, 6241, 7110, 12482, 18723, 31205, 37446, 56169, 62410, 93615, 112338, 187230, 280845, 561690]

約数ペア:

[(1, 561690), (2, 280845), (3, 187230), (5, 112338), (6, 93615), (9, 62410), (10, 56169), (15, 37446), (18, 31205), (30, 18723), (45, 12482), (79, 7110), (90, 6241), (158, 3555), (237, 2370), (395, 1422), (474, 1185), (711, 790)]