281585920

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2857}}^1$

素因数の和:2896

約数の個数: 144

約数和(自身を含む): 841212288

約数和(自身を除く): 559626368

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 128, 140, 154, 160, 176, 220, 224, 256, 280, 308, 320, 352, 385, 440, 448, 560, 616, 640, 704, 770, 880, 896, 1120, 1232, 1280, 1408, 1540, 1760, 1792, 2240, 2464, 2816, 2857, 3080, 3520, 4480, 4928, 5714, 6160, 7040, 8960, 9856, 11428, 12320, 14080, 14285, 19712, 19999, 22856, 24640, 28570, 31427, 39998, 45712, 49280, 57140, 62854, 79996, 91424, 98560, 99995, 114280, 125708, 157135, 159992, 182848, 199990, 219989, 228560, 251416, 314270, 319984, 365696, 399980, 439978, 457120, 502832, 628540, 639968, 731392, 799960, 879956, 914240, 1005664, 1099945, 1257080, 1279936, 1599920, 1759912, 1828480, 2011328, 2199890, 2514160, 2559872, 3199840, 3519824, 3656960, 4022656, 4399780, 5028320, 5119744, 6399680, 7039648, 8045312, 8799560, 10056640, 12799360, 14079296, 17599120, 20113280, 25598720, 28158592, 35198240, 40226560, 56317184, 70396480, 140792960, 281585920]

約数ペア:

[(1, 281585920), (2, 140792960), (4, 70396480), (5, 56317184), (7, 40226560), (8, 35198240), (10, 28158592), (11, 25598720), (14, 20113280), (16, 17599120), (20, 14079296), (22, 12799360), (28, 10056640), (32, 8799560), (35, 8045312), (40, 7039648), (44, 6399680), (55, 5119744), (56, 5028320), (64, 4399780), (70, 4022656), (77, 3656960), (80, 3519824), (88, 3199840), (110, 2559872), (112, 2514160), (128, 2199890), (140, 2011328), (154, 1828480), (160, 1759912), (176, 1599920), (220, 1279936), (224, 1257080), (256, 1099945), (280, 1005664), (308, 914240), (320, 879956), (352, 799960), (385, 731392), (440, 639968), (448, 628540), (560, 502832), (616, 457120), (640, 439978), (704, 399980), (770, 365696), (880, 319984), (896, 314270), (1120, 251416), (1232, 228560), (1280, 219989), (1408, 199990), (1540, 182848), (1760, 159992), (1792, 157135), (2240, 125708), (2464, 114280), (2816, 99995), (2857, 98560), (3080, 91424), (3520, 79996), (4480, 62854), (4928, 57140), (5714, 49280), (6160, 45712), (7040, 39998), (8960, 31427), (9856, 28570), (11428, 24640), (12320, 22856), (14080, 19999), (14285, 19712)]