78998280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{658319}}^1$

素因数の和:658333

約数の個数: 32

約数和(自身を含む): 236995200

約数和(自身を除く): 157996920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 658319, 1316638, 1974957, 2633276, 3291595, 3949914, 5266552, 6583190, 7899828, 9874785, 13166380, 15799656, 19749570, 26332760, 39499140, 78998280]

約数ペア:

[(1, 78998280), (2, 39499140), (3, 26332760), (4, 19749570), (5, 15799656), (6, 13166380), (8, 9874785), (10, 7899828), (12, 6583190), (15, 5266552), (20, 3949914), (24, 3291595), (30, 2633276), (40, 1974957), (60, 1316638), (120, 658319)]