81373260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1356221}}^1$

素因数の和:1356233

約数の個数: 24

約数和(自身を含む): 227845296

約数和(自身を除く): 146472036

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1356221, 2712442, 4068663, 5424884, 6781105, 8137326, 13562210, 16274652, 20343315, 27124420, 40686630, 81373260]

約数ペア:

[(1, 81373260), (2, 40686630), (3, 27124420), (4, 20343315), (5, 16274652), (6, 13562210), (10, 8137326), (12, 6781105), (15, 5424884), (20, 4068663), (30, 2712442), (60, 1356221)]