220190220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1223279}}^1$

素因数の和:1223294

約数の個数: 36

約数和(自身を含む): 667910880

約数和(自身を除く): 447720660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1223279, 2446558, 3669837, 4893116, 6116395, 7339674, 11009511, 12232790, 14679348, 18349185, 22019022, 24465580, 36698370, 44038044, 55047555, 73396740, 110095110, 220190220]

約数ペア:

[(1, 220190220), (2, 110095110), (3, 73396740), (4, 55047555), (5, 44038044), (6, 36698370), (9, 24465580), (10, 22019022), (12, 18349185), (15, 14679348), (18, 12232790), (20, 11009511), (30, 7339674), (36, 6116395), (45, 4893116), (60, 3669837), (90, 2446558), (180, 1223279)]