30820740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{513679}}^1$

素因数の和:513691

約数の個数: 24

約数和(自身を含む): 86298240

約数和(自身を除く): 55477500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 513679, 1027358, 1541037, 2054716, 2568395, 3082074, 5136790, 6164148, 7705185, 10273580, 15410370, 30820740]

約数ペア:

[(1, 30820740), (2, 15410370), (3, 10273580), (4, 7705185), (5, 6164148), (6, 5136790), (10, 3082074), (12, 2568395), (15, 2054716), (20, 1541037), (30, 1027358), (60, 513679)]