161384220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{701}}^1\times {\mathrm{1279}}^1$

素因数の和:1995

約数の個数: 72

約数和(自身を含む): 490613760

約数和(自身を除く): 329229540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 701, 1279, 1402, 2103, 2558, 2804, 3505, 3837, 4206, 5116, 6309, 6395, 7010, 7674, 8412, 10515, 11511, 12618, 12790, 14020, 15348, 19185, 21030, 23022, 25236, 25580, 31545, 38370, 42060, 46044, 57555, 63090, 76740, 115110, 126180, 230220, 896579, 1793158, 2689737, 3586316, 4482895, 5379474, 8069211, 8965790, 10758948, 13448685, 16138422, 17931580, 26897370, 32276844, 40346055, 53794740, 80692110, 161384220]

約数ペア:

[(1, 161384220), (2, 80692110), (3, 53794740), (4, 40346055), (5, 32276844), (6, 26897370), (9, 17931580), (10, 16138422), (12, 13448685), (15, 10758948), (18, 8965790), (20, 8069211), (30, 5379474), (36, 4482895), (45, 3586316), (60, 2689737), (90, 1793158), (180, 896579), (701, 230220), (1279, 126180), (1402, 115110), (2103, 76740), (2558, 63090), (2804, 57555), (3505, 46044), (3837, 42060), (4206, 38370), (5116, 31545), (6309, 25580), (6395, 25236), (7010, 23022), (7674, 21030), (8412, 19185), (10515, 15348), (11511, 14020), (12618, 12790)]