68237640

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{21061}}^1$

素因数の和:21084

約数の個数: 80

約数和(自身を含む): 229365180

約数和(自身を除く): 161127540

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 21061, 42122, 63183, 84244, 105305, 126366, 168488, 189549, 210610, 252732, 315915, 379098, 421220, 505464, 568647, 631830, 758196, 842440, 947745, 1137294, 1263660, 1516392, 1705941, 1895490, 2274588, 2527320, 2843235, 3411882, 3790980, 4549176, 5686470, 6823764, 7581960, 8529705, 11372940, 13647528, 17059410, 22745880, 34118820, 68237640]

約数ペア:

[(1, 68237640), (2, 34118820), (3, 22745880), (4, 17059410), (5, 13647528), (6, 11372940), (8, 8529705), (9, 7581960), (10, 6823764), (12, 5686470), (15, 4549176), (18, 3790980), (20, 3411882), (24, 2843235), (27, 2527320), (30, 2274588), (36, 1895490), (40, 1705941), (45, 1516392), (54, 1263660), (60, 1137294), (72, 947745), (81, 842440), (90, 758196), (108, 631830), (120, 568647), (135, 505464), (162, 421220), (180, 379098), (216, 315915), (270, 252732), (324, 210610), (360, 189549), (405, 168488), (540, 126366), (648, 105305), (810, 84244), (1080, 63183), (1620, 42122), (3240, 21061)]