129789180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{721051}}^1$

素因数の和:721066

約数の個数: 36

約数和(自身を含む): 393694392

約数和(自身を除く): 263905212

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 721051, 1442102, 2163153, 2884204, 3605255, 4326306, 6489459, 7210510, 8652612, 10815765, 12978918, 14421020, 21631530, 25957836, 32447295, 43263060, 64894590, 129789180]

約数ペア:

[(1, 129789180), (2, 64894590), (3, 43263060), (4, 32447295), (5, 25957836), (6, 21631530), (9, 14421020), (10, 12978918), (12, 10815765), (15, 8652612), (18, 7210510), (20, 6489459), (30, 4326306), (36, 3605255), (45, 2884204), (60, 2163153), (90, 1442102), (180, 721051)]