129943620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{721909}}^1$

素因数の和:721924

約数の個数: 36

約数和(自身を含む): 394162860

約数和(自身を除く): 264219240

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 721909, 1443818, 2165727, 2887636, 3609545, 4331454, 6497181, 7219090, 8662908, 10828635, 12994362, 14438180, 21657270, 25988724, 32485905, 43314540, 64971810, 129943620]

約数ペア:

[(1, 129943620), (2, 64971810), (3, 43314540), (4, 32485905), (5, 25988724), (6, 21657270), (9, 14438180), (10, 12994362), (12, 10828635), (15, 8662908), (18, 7219090), (20, 6497181), (30, 4331454), (36, 3609545), (45, 2887636), (60, 2165727), (90, 1443818), (180, 721909)]