42540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{709}}^1$

素因数の和:721

約数の個数: 24

約数和(自身を含む): 119280

約数和(自身を除く): 76740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 709, 1418, 2127, 2836, 3545, 4254, 7090, 8508, 10635, 14180, 21270, 42540]

約数ペア:

[(1, 42540), (2, 21270), (3, 14180), (4, 10635), (5, 8508), (6, 7090), (10, 4254), (12, 3545), (15, 2836), (20, 2127), (30, 1418), (60, 709)]