68218680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{431}}^1\times {\mathrm{1319}}^1$

素因数の和:1764

約数の個数: 64

約数和(自身を含む): 205286400

約数和(自身を除く): 137067720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 431, 862, 1293, 1319, 1724, 2155, 2586, 2638, 3448, 3957, 4310, 5172, 5276, 6465, 6595, 7914, 8620, 10344, 10552, 12930, 13190, 15828, 17240, 19785, 25860, 26380, 31656, 39570, 51720, 52760, 79140, 158280, 568489, 1136978, 1705467, 2273956, 2842445, 3410934, 4547912, 5684890, 6821868, 8527335, 11369780, 13643736, 17054670, 22739560, 34109340, 68218680]

約数ペア:

[(1, 68218680), (2, 34109340), (3, 22739560), (4, 17054670), (5, 13643736), (6, 11369780), (8, 8527335), (10, 6821868), (12, 5684890), (15, 4547912), (20, 3410934), (24, 2842445), (30, 2273956), (40, 1705467), (60, 1136978), (120, 568489), (431, 158280), (862, 79140), (1293, 52760), (1319, 51720), (1724, 39570), (2155, 31656), (2586, 26380), (2638, 25860), (3448, 19785), (3957, 17240), (4310, 15828), (5172, 13190), (5276, 12930), (6465, 10552), (6595, 10344), (7914, 8620)]