278548480

素因数分解:

$2^{12}\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:132

約数の個数: 208

約数和(自身を含む): 802062720

約数和(自身を除く): 523514240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 56, 58, 64, 67, 70, 80, 112, 116, 128, 134, 140, 145, 160, 203, 224, 232, 256, 268, 280, 290, 320, 335, 406, 448, 464, 469, 512, 536, 560, 580, 640, 670, 812, 896, 928, 938, 1015, 1024, 1072, 1120, 1160, 1280, 1340, 1624, 1792, 1856, 1876, 1943, 2030, 2048, 2144, 2240, 2320, 2345, 2560, 2680, 3248, 3584, 3712, 3752, 3886, 4060, 4096, 4288, 4480, 4640, 4690, 5120, 5360, 6496, 7168, 7424, 7504, 7772, 8120, 8576, 8960, 9280, 9380, 9715, 10240, 10720, 12992, 13601, 14336, 14848, 15008, 15544, 16240, 17152, 17920, 18560, 18760, 19430, 20480, 21440, 25984, 27202, 28672, 29696, 30016, 31088, 32480, 34304, 35840, 37120, 37520, 38860, 42880, 51968, 54404, 59392, 60032, 62176, 64960, 68005, 68608, 71680, 74240, 75040, 77720, 85760, 103936, 108808, 118784, 120064, 124352, 129920, 136010, 137216, 143360, 148480, 150080, 155440, 171520, 207872, 217616, 240128, 248704, 259840, 272020, 274432, 296960, 300160, 310880, 343040, 415744, 435232, 480256, 497408, 519680, 544040, 593920, 600320, 621760, 686080, 831488, 870464, 960512, 994816, 1039360, 1088080, 1200640, 1243520, 1372160, 1740928, 1921024, 1989632, 2078720, 2176160, 2401280, 2487040, 3481856, 3979264, 4157440, 4352320, 4802560, 4974080, 6963712, 7958528, 8704640, 9605120, 9948160, 13927424, 17409280, 19896320, 27854848, 34818560, 39792640, 55709696, 69637120, 139274240, 278548480]

約数ペア:

[(1, 278548480), (2, 139274240), (4, 69637120), (5, 55709696), (7, 39792640), (8, 34818560), (10, 27854848), (14, 19896320), (16, 17409280), (20, 13927424), (28, 9948160), (29, 9605120), (32, 8704640), (35, 7958528), (40, 6963712), (56, 4974080), (58, 4802560), (64, 4352320), (67, 4157440), (70, 3979264), (80, 3481856), (112, 2487040), (116, 2401280), (128, 2176160), (134, 2078720), (140, 1989632), (145, 1921024), (160, 1740928), (203, 1372160), (224, 1243520), (232, 1200640), (256, 1088080), (268, 1039360), (280, 994816), (290, 960512), (320, 870464), (335, 831488), (406, 686080), (448, 621760), (464, 600320), (469, 593920), (512, 544040), (536, 519680), (560, 497408), (580, 480256), (640, 435232), (670, 415744), (812, 343040), (896, 310880), (928, 300160), (938, 296960), (1015, 274432), (1024, 272020), (1072, 259840), (1120, 248704), (1160, 240128), (1280, 217616), (1340, 207872), (1624, 171520), (1792, 155440), (1856, 150080), (1876, 148480), (1943, 143360), (2030, 137216), (2048, 136010), (2144, 129920), (2240, 124352), (2320, 120064), (2345, 118784), (2560, 108808), (2680, 103936), (3248, 85760), (3584, 77720), (3712, 75040), (3752, 74240), (3886, 71680), (4060, 68608), (4096, 68005), (4288, 64960), (4480, 62176), (4640, 60032), (4690, 59392), (5120, 54404), (5360, 51968), (6496, 42880), (7168, 38860), (7424, 37520), (7504, 37120), (7772, 35840), (8120, 34304), (8576, 32480), (8960, 31088), (9280, 30016), (9380, 29696), (9715, 28672), (10240, 27202), (10720, 25984), (12992, 21440), (13601, 20480), (14336, 19430), (14848, 18760), (15008, 18560), (15544, 17920), (16240, 17152)]