138520740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2308679}}^1$

素因数の和:2308691

約数の個数: 24

約数和(自身を含む): 387858240

約数和(自身を除く): 249337500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2308679, 4617358, 6926037, 9234716, 11543395, 13852074, 23086790, 27704148, 34630185, 46173580, 69260370, 138520740]

約数ペア:

[(1, 138520740), (2, 69260370), (3, 46173580), (4, 34630185), (5, 27704148), (6, 23086790), (10, 13852074), (12, 11543395), (15, 9234716), (20, 6926037), (30, 4617358), (60, 2308679)]