261400740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{4356679}}^1$

素因数の和:4356691

約数の個数: 24

約数和(自身を含む): 731922240

約数和(自身を除く): 470521500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 4356679, 8713358, 13070037, 17426716, 21783395, 26140074, 43566790, 52280148, 65350185, 87133580, 130700370, 261400740]

約数ペア:

[(1, 261400740), (2, 130700370), (3, 87133580), (4, 65350185), (5, 52280148), (6, 43566790), (10, 26140074), (12, 21783395), (15, 17426716), (20, 13070037), (30, 8713358), (60, 4356679)]