81748740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1362479}}^1$

素因数の和:1362491

約数の個数: 24

約数和(自身を含む): 228896640

約数和(自身を除く): 147147900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1362479, 2724958, 4087437, 5449916, 6812395, 8174874, 13624790, 16349748, 20437185, 27249580, 40874370, 81748740]

約数ペア:

[(1, 81748740), (2, 40874370), (3, 27249580), (4, 20437185), (5, 16349748), (6, 13624790), (10, 8174874), (12, 6812395), (15, 5449916), (20, 4087437), (30, 2724958), (60, 1362479)]