78991620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1316527}}^1$

素因数の和:1316539

約数の個数: 24

約数和(自身を含む): 221176704

約数和(自身を除く): 142185084

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1316527, 2633054, 3949581, 5266108, 6582635, 7899162, 13165270, 15798324, 19747905, 26330540, 39495810, 78991620]

約数ペア:

[(1, 78991620), (2, 39495810), (3, 26330540), (4, 19747905), (5, 15798324), (6, 13165270), (10, 7899162), (12, 6582635), (15, 5266108), (20, 3949581), (30, 2633054), (60, 1316527)]