20139728880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1979}}^1\times {\mathrm{42403}}^1$

素因数の和:44398

約数の個数: 80

約数和(自身を含む): 62466180480

約数和(自身を除く): 42326451600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1979, 3958, 5937, 7916, 9895, 11874, 15832, 19790, 23748, 29685, 31664, 39580, 42403, 47496, 59370, 79160, 84806, 94992, 118740, 127209, 158320, 169612, 212015, 237480, 254418, 339224, 424030, 474960, 508836, 636045, 678448, 848060, 1017672, 1272090, 1696120, 2035344, 2544180, 3392240, 5088360, 10176720, 83915537, 167831074, 251746611, 335662148, 419577685, 503493222, 671324296, 839155370, 1006986444, 1258733055, 1342648592, 1678310740, 2013972888, 2517466110, 3356621480, 4027945776, 5034932220, 6713242960, 10069864440, 20139728880]

約数ペア:

[(1, 20139728880), (2, 10069864440), (3, 6713242960), (4, 5034932220), (5, 4027945776), (6, 3356621480), (8, 2517466110), (10, 2013972888), (12, 1678310740), (15, 1342648592), (16, 1258733055), (20, 1006986444), (24, 839155370), (30, 671324296), (40, 503493222), (48, 419577685), (60, 335662148), (80, 251746611), (120, 167831074), (240, 83915537), (1979, 10176720), (3958, 5088360), (5937, 3392240), (7916, 2544180), (9895, 2035344), (11874, 1696120), (15832, 1272090), (19790, 1017672), (23748, 848060), (29685, 678448), (31664, 636045), (39580, 508836), (42403, 474960), (47496, 424030), (59370, 339224), (79160, 254418), (84806, 237480), (94992, 212015), (118740, 169612), (127209, 158320)]