81971220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1366187}}^1$

素因数の和:1366199

約数の個数: 24

約数和(自身を含む): 229519584

約数和(自身を除く): 147548364

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1366187, 2732374, 4098561, 5464748, 6830935, 8197122, 13661870, 16394244, 20492805, 27323740, 40985610, 81971220]

約数ペア:

[(1, 81971220), (2, 40985610), (3, 27323740), (4, 20492805), (5, 16394244), (6, 13661870), (10, 8197122), (12, 6830935), (15, 5464748), (20, 4098561), (30, 2732374), (60, 1366187)]