690660

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{1279}}^1$

素因数の和:1297

約数の個数: 48

約数和(自身を含む): 2150400

約数和(自身を除く): 1459740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 1279, 2558, 3837, 5116, 6395, 7674, 11511, 12790, 15348, 19185, 23022, 25580, 34533, 38370, 46044, 57555, 69066, 76740, 115110, 138132, 172665, 230220, 345330, 690660]

約数ペア:

[(1, 690660), (2, 345330), (3, 230220), (4, 172665), (5, 138132), (6, 115110), (9, 76740), (10, 69066), (12, 57555), (15, 46044), (18, 38370), (20, 34533), (27, 25580), (30, 23022), (36, 19185), (45, 15348), (54, 12790), (60, 11511), (90, 7674), (108, 6395), (135, 5116), (180, 3837), (270, 2558), (540, 1279)]