8720940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{145349}}^1$

素因数の和:145361

約数の個数: 24

約数和(自身を含む): 24418800

約数和(自身を除く): 15697860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 145349, 290698, 436047, 581396, 726745, 872094, 1453490, 1744188, 2180235, 2906980, 4360470, 8720940]

約数ペア:

[(1, 8720940), (2, 4360470), (3, 2906980), (4, 2180235), (5, 1744188), (6, 1453490), (10, 872094), (12, 726745), (15, 581396), (20, 436047), (30, 290698), (60, 145349)]