12642540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{210709}}^1$

素因数の和:210721

約数の個数: 24

約数和(自身を含む): 35399280

約数和(自身を除く): 22756740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 210709, 421418, 632127, 842836, 1053545, 1264254, 2107090, 2528508, 3160635, 4214180, 6321270, 12642540]

約数ペア:

[(1, 12642540), (2, 6321270), (3, 4214180), (4, 3160635), (5, 2528508), (6, 2107090), (10, 1264254), (12, 1053545), (15, 842836), (20, 632127), (30, 421418), (60, 210709)]