217857540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{3630959}}^1$

素因数の和:3630971

約数の個数: 24

約数和(自身を含む): 610001280

約数和(自身を除く): 392143740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 3630959, 7261918, 10892877, 14523836, 18154795, 21785754, 36309590, 43571508, 54464385, 72619180, 108928770, 217857540]

約数ペア:

[(1, 217857540), (2, 108928770), (3, 72619180), (4, 54464385), (5, 43571508), (6, 36309590), (10, 21785754), (12, 18154795), (15, 14523836), (20, 10892877), (30, 7261918), (60, 3630959)]