255289920

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{431}}^1\times {\mathrm{617}}^1$

素因数の和:1068

約数の個数: 112

約数和(自身を含む): 813742848

約数和(自身を除く): 558452928

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 431, 480, 617, 862, 960, 1234, 1293, 1724, 1851, 2155, 2468, 2586, 3085, 3448, 3702, 4310, 4936, 5172, 6170, 6465, 6896, 7404, 8620, 9255, 9872, 10344, 12340, 12930, 13792, 14808, 17240, 18510, 19744, 20688, 24680, 25860, 27584, 29616, 34480, 37020, 39488, 41376, 49360, 51720, 59232, 68960, 74040, 82752, 98720, 103440, 118464, 137920, 148080, 197440, 206880, 265927, 296160, 413760, 531854, 592320, 797781, 1063708, 1329635, 1595562, 2127416, 2659270, 3191124, 3988905, 4254832, 5318540, 6382248, 7977810, 8509664, 10637080, 12764496, 15955620, 17019328, 21274160, 25528992, 31911240, 42548320, 51057984, 63822480, 85096640, 127644960, 255289920]

約数ペア:

[(1, 255289920), (2, 127644960), (3, 85096640), (4, 63822480), (5, 51057984), (6, 42548320), (8, 31911240), (10, 25528992), (12, 21274160), (15, 17019328), (16, 15955620), (20, 12764496), (24, 10637080), (30, 8509664), (32, 7977810), (40, 6382248), (48, 5318540), (60, 4254832), (64, 3988905), (80, 3191124), (96, 2659270), (120, 2127416), (160, 1595562), (192, 1329635), (240, 1063708), (320, 797781), (431, 592320), (480, 531854), (617, 413760), (862, 296160), (960, 265927), (1234, 206880), (1293, 197440), (1724, 148080), (1851, 137920), (2155, 118464), (2468, 103440), (2586, 98720), (3085, 82752), (3448, 74040), (3702, 68960), (4310, 59232), (4936, 51720), (5172, 49360), (6170, 41376), (6465, 39488), (6896, 37020), (7404, 34480), (8620, 29616), (9255, 27584), (9872, 25860), (10344, 24680), (12340, 20688), (12930, 19744), (13792, 18510), (14808, 17240)]