81197580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1353293}}^1$

素因数の和:1353305

約数の個数: 24

約数和(自身を含む): 227353392

約数和(自身を除く): 146155812

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1353293, 2706586, 4059879, 5413172, 6766465, 8119758, 13532930, 16239516, 20299395, 27065860, 40598790, 81197580]

約数ペア:

[(1, 81197580), (2, 40598790), (3, 27065860), (4, 20299395), (5, 16239516), (6, 13532930), (10, 8119758), (12, 6766465), (15, 5413172), (20, 4059879), (30, 2706586), (60, 1353293)]