81820740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1363679}}^1$

素因数の和:1363691

約数の個数: 24

約数和(自身を含む): 229098240

約数和(自身を除く): 147277500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1363679, 2727358, 4091037, 5454716, 6818395, 8182074, 13636790, 16364148, 20455185, 27273580, 40910370, 81820740]

約数ペア:

[(1, 81820740), (2, 40910370), (3, 27273580), (4, 20455185), (5, 16364148), (6, 13636790), (10, 8182074), (12, 6818395), (15, 5454716), (20, 4091037), (30, 2727358), (60, 1363679)]