78705720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{218627}}^1$

素因数の和:218644

約数の個数: 48

約数和(自身を含む): 255794760

約数和(自身を除く): 177089040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 218627, 437254, 655881, 874508, 1093135, 1311762, 1749016, 1967643, 2186270, 2623524, 3279405, 3935286, 4372540, 5247048, 6558810, 7870572, 8745080, 9838215, 13117620, 15741144, 19676430, 26235240, 39352860, 78705720]

約数ペア:

[(1, 78705720), (2, 39352860), (3, 26235240), (4, 19676430), (5, 15741144), (6, 13117620), (8, 9838215), (9, 8745080), (10, 7870572), (12, 6558810), (15, 5247048), (18, 4372540), (20, 3935286), (24, 3279405), (30, 2623524), (36, 2186270), (40, 1967643), (45, 1749016), (60, 1311762), (72, 1093135), (90, 874508), (120, 655881), (180, 437254), (360, 218627)]