78837540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1313959}}^1$

素因数の和:1313971

約数の個数: 24

約数和(自身を含む): 220745280

約数和(自身を除く): 141907740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1313959, 2627918, 3941877, 5255836, 6569795, 7883754, 13139590, 15767508, 19709385, 26279180, 39418770, 78837540]

約数ペア:

[(1, 78837540), (2, 39418770), (3, 26279180), (4, 19709385), (5, 15767508), (6, 13139590), (10, 7883754), (12, 6569795), (15, 5255836), (20, 3941877), (30, 2627918), (60, 1313959)]