80883540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{449353}}^1$

素因数の和:449368

約数の個数: 36

約数和(自身を含む): 245347284

約数和(自身を除く): 164463744

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 449353, 898706, 1348059, 1797412, 2246765, 2696118, 4044177, 4493530, 5392236, 6740295, 8088354, 8987060, 13480590, 16176708, 20220885, 26961180, 40441770, 80883540]

約数ペア:

[(1, 80883540), (2, 40441770), (3, 26961180), (4, 20220885), (5, 16176708), (6, 13480590), (9, 8987060), (10, 8088354), (12, 6740295), (15, 5392236), (18, 4493530), (20, 4044177), (30, 2696118), (36, 2246765), (45, 1797412), (60, 1348059), (90, 898706), (180, 449353)]