28310220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{157279}}^1$

素因数の和:157294

約数の個数: 36

約数和(自身を含む): 85874880

約数和(自身を除く): 57564660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 157279, 314558, 471837, 629116, 786395, 943674, 1415511, 1572790, 1887348, 2359185, 2831022, 3145580, 4718370, 5662044, 7077555, 9436740, 14155110, 28310220]

約数ペア:

[(1, 28310220), (2, 14155110), (3, 9436740), (4, 7077555), (5, 5662044), (6, 4718370), (9, 3145580), (10, 2831022), (12, 2359185), (15, 1887348), (18, 1572790), (20, 1415511), (30, 943674), (36, 786395), (45, 629116), (60, 471837), (90, 314558), (180, 157279)]