30981540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{516359}}^1$

素因数の和:516371

約数の個数: 24

約数和(自身を含む): 86748480

約数和(自身を除く): 55766940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 516359, 1032718, 1549077, 2065436, 2581795, 3098154, 5163590, 6196308, 7745385, 10327180, 15490770, 30981540]

約数ペア:

[(1, 30981540), (2, 15490770), (3, 10327180), (4, 7745385), (5, 6196308), (6, 5163590), (10, 3098154), (12, 2581795), (15, 2065436), (20, 1549077), (30, 1032718), (60, 516359)]