28710540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{159503}}^1$

素因数の和:159518

約数の個数: 36

約数和(自身を含む): 87089184

約数和(自身を除く): 58378644

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 159503, 319006, 478509, 638012, 797515, 957018, 1435527, 1595030, 1914036, 2392545, 2871054, 3190060, 4785090, 5742108, 7177635, 9570180, 14355270, 28710540]

約数ペア:

[(1, 28710540), (2, 14355270), (3, 9570180), (4, 7177635), (5, 5742108), (6, 4785090), (9, 3190060), (10, 2871054), (12, 2392545), (15, 1914036), (18, 1595030), (20, 1435527), (30, 957018), (36, 797515), (45, 638012), (60, 478509), (90, 319006), (180, 159503)]