204707760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{431}}^1\times {\mathrm{1979}}^1$

素因数の和:2426

約数の個数: 80

約数和(自身を含む): 636387840

約数和(自身を除く): 431680080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 431, 862, 1293, 1724, 1979, 2155, 2586, 3448, 3958, 4310, 5172, 5937, 6465, 6896, 7916, 8620, 9895, 10344, 11874, 12930, 15832, 17240, 19790, 20688, 23748, 25860, 29685, 31664, 34480, 39580, 47496, 51720, 59370, 79160, 94992, 103440, 118740, 158320, 237480, 474960, 852949, 1705898, 2558847, 3411796, 4264745, 5117694, 6823592, 8529490, 10235388, 12794235, 13647184, 17058980, 20470776, 25588470, 34117960, 40941552, 51176940, 68235920, 102353880, 204707760]

約数ペア:

[(1, 204707760), (2, 102353880), (3, 68235920), (4, 51176940), (5, 40941552), (6, 34117960), (8, 25588470), (10, 20470776), (12, 17058980), (15, 13647184), (16, 12794235), (20, 10235388), (24, 8529490), (30, 6823592), (40, 5117694), (48, 4264745), (60, 3411796), (80, 2558847), (120, 1705898), (240, 852949), (431, 474960), (862, 237480), (1293, 158320), (1724, 118740), (1979, 103440), (2155, 94992), (2586, 79160), (3448, 59370), (3958, 51720), (4310, 47496), (5172, 39580), (5937, 34480), (6465, 31664), (6896, 29685), (7916, 25860), (8620, 23748), (9895, 20688), (10344, 19790), (11874, 17240), (12930, 15832)]