81460740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1357679}}^1$

素因数の和:1357691

約数の個数: 24

約数和(自身を含む): 228090240

約数和(自身を除く): 146629500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1357679, 2715358, 4073037, 5430716, 6788395, 8146074, 13576790, 16292148, 20365185, 27153580, 40730370, 81460740]

約数ペア:

[(1, 81460740), (2, 40730370), (3, 27153580), (4, 20365185), (5, 16292148), (6, 13576790), (10, 8146074), (12, 6788395), (15, 5430716), (20, 4073037), (30, 2715358), (60, 1357679)]