7860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1$

素因数の和:143

約数の個数: 24

約数和(自身を含む): 22176

約数和(自身を除く): 14316

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131, 262, 393, 524, 655, 786, 1310, 1572, 1965, 2620, 3930, 7860]

約数ペア:

[(1, 7860), (2, 3930), (3, 2620), (4, 1965), (5, 1572), (6, 1310), (10, 786), (12, 655), (15, 524), (20, 393), (30, 262), (60, 131)]