81507540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1358459}}^1$

素因数の和:1358471

約数の個数: 24

約数和(自身を含む): 228221280

約数和(自身を除く): 146713740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1358459, 2716918, 4075377, 5433836, 6792295, 8150754, 13584590, 16301508, 20376885, 27169180, 40753770, 81507540]

約数ペア:

[(1, 81507540), (2, 40753770), (3, 27169180), (4, 20376885), (5, 16301508), (6, 13584590), (10, 8150754), (12, 6792295), (15, 5433836), (20, 4075377), (30, 2716918), (60, 1358459)]