131161920

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{317}}^1\times {\mathrm{431}}^1$

素因数の和:768

約数の個数: 112

約数和(自身を含む): 418722048

約数和(自身を除く): 287560128

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, 317, 320, 431, 480, 634, 862, 951, 960, 1268, 1293, 1585, 1724, 1902, 2155, 2536, 2586, 3170, 3448, 3804, 4310, 4755, 5072, 5172, 6340, 6465, 6896, 7608, 8620, 9510, 10144, 10344, 12680, 12930, 13792, 15216, 17240, 19020, 20288, 20688, 25360, 25860, 27584, 30432, 34480, 38040, 41376, 50720, 51720, 60864, 68960, 76080, 82752, 101440, 103440, 136627, 137920, 152160, 206880, 273254, 304320, 409881, 413760, 546508, 683135, 819762, 1093016, 1366270, 1639524, 2049405, 2186032, 2732540, 3279048, 4098810, 4372064, 5465080, 6558096, 8197620, 8744128, 10930160, 13116192, 16395240, 21860320, 26232384, 32790480, 43720640, 65580960, 131161920]

約数ペア:

[(1, 131161920), (2, 65580960), (3, 43720640), (4, 32790480), (5, 26232384), (6, 21860320), (8, 16395240), (10, 13116192), (12, 10930160), (15, 8744128), (16, 8197620), (20, 6558096), (24, 5465080), (30, 4372064), (32, 4098810), (40, 3279048), (48, 2732540), (60, 2186032), (64, 2049405), (80, 1639524), (96, 1366270), (120, 1093016), (160, 819762), (192, 683135), (240, 546508), (317, 413760), (320, 409881), (431, 304320), (480, 273254), (634, 206880), (862, 152160), (951, 137920), (960, 136627), (1268, 103440), (1293, 101440), (1585, 82752), (1724, 76080), (1902, 68960), (2155, 60864), (2536, 51720), (2586, 50720), (3170, 41376), (3448, 38040), (3804, 34480), (4310, 30432), (4755, 27584), (5072, 25860), (5172, 25360), (6340, 20688), (6465, 20288), (6896, 19020), (7608, 17240), (8620, 15216), (9510, 13792), (10144, 12930), (10344, 12680)]