81284220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{451579}}^1$

素因数の和:451594

約数の個数: 36

約数和(自身を含む): 246562680

約数和(自身を除く): 165278460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 451579, 903158, 1354737, 1806316, 2257895, 2709474, 4064211, 4515790, 5418948, 6773685, 8128422, 9031580, 13547370, 16256844, 20321055, 27094740, 40642110, 81284220]

約数ペア:

[(1, 81284220), (2, 40642110), (3, 27094740), (4, 20321055), (5, 16256844), (6, 13547370), (9, 9031580), (10, 8128422), (12, 6773685), (15, 5418948), (18, 4515790), (20, 4064211), (30, 2709474), (36, 2257895), (45, 1806316), (60, 1354737), (90, 903158), (180, 451579)]