220190580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1223281}}^1$

素因数の和:1223296

約数の個数: 36

約数和(自身を含む): 667911972

約数和(自身を除く): 447721392

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1223281, 2446562, 3669843, 4893124, 6116405, 7339686, 11009529, 12232810, 14679372, 18349215, 22019058, 24465620, 36698430, 44038116, 55047645, 73396860, 110095290, 220190580]

約数ペア:

[(1, 220190580), (2, 110095290), (3, 73396860), (4, 55047645), (5, 44038116), (6, 36698430), (9, 24465620), (10, 22019058), (12, 18349215), (15, 14679372), (18, 12232810), (20, 11009529), (30, 7339686), (36, 6116405), (45, 4893124), (60, 3669843), (90, 2446562), (180, 1223281)]