123513210

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{1372369}}^1$

素因数の和:1372382

約数の個数: 24

約数和(自身を含む): 321134580

約数和(自身を除く): 197621370

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 1372369, 2744738, 4117107, 6861845, 8234214, 12351321, 13723690, 20585535, 24702642, 41171070, 61756605, 123513210]

約数ペア:

[(1, 123513210), (2, 61756605), (3, 41171070), (5, 24702642), (6, 20585535), (9, 13723690), (10, 12351321), (15, 8234214), (18, 6861845), (30, 4117107), (45, 2744738), (90, 1372369)]