511979520

素因数分解:

$2^{12}\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{641}}^1$

素因数の和:686

約数の個数: 208

約数和(自身を含む): 1766896992

約数和(自身を除く): 1254917472

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 256, 260, 312, 320, 384, 390, 416, 480, 512, 520, 624, 640, 641, 768, 780, 832, 960, 1024, 1040, 1248, 1280, 1282, 1536, 1560, 1664, 1920, 1923, 2048, 2080, 2496, 2560, 2564, 3072, 3120, 3205, 3328, 3840, 3846, 4096, 4160, 4992, 5120, 5128, 6144, 6240, 6410, 6656, 7680, 7692, 8320, 8333, 9615, 9984, 10240, 10256, 12288, 12480, 12820, 13312, 15360, 15384, 16640, 16666, 19230, 19968, 20480, 20512, 24960, 24999, 25640, 26624, 30720, 30768, 33280, 33332, 38460, 39936, 41024, 41665, 49920, 49998, 51280, 53248, 61440, 61536, 66560, 66664, 76920, 79872, 82048, 83330, 99840, 99996, 102560, 123072, 124995, 133120, 133328, 153840, 159744, 164096, 166660, 199680, 199992, 205120, 246144, 249990, 266240, 266656, 307680, 328192, 333320, 399360, 399984, 410240, 492288, 499980, 533312, 615360, 656384, 666640, 798720, 799968, 820480, 984576, 999960, 1066624, 1230720, 1312768, 1333280, 1599936, 1640960, 1969152, 1999920, 2133248, 2461440, 2625536, 2666560, 3199872, 3281920, 3938304, 3999840, 4266496, 4922880, 5333120, 6399744, 6563840, 7876608, 7999680, 8532992, 9845760, 10666240, 12799488, 13127680, 15999360, 17065984, 19691520, 21332480, 25598976, 31998720, 34131968, 39383040, 42664960, 51197952, 63997440, 85329920, 102395904, 127994880, 170659840, 255989760, 511979520]

約数ペア:

[(1, 511979520), (2, 255989760), (3, 170659840), (4, 127994880), (5, 102395904), (6, 85329920), (8, 63997440), (10, 51197952), (12, 42664960), (13, 39383040), (15, 34131968), (16, 31998720), (20, 25598976), (24, 21332480), (26, 19691520), (30, 17065984), (32, 15999360), (39, 13127680), (40, 12799488), (48, 10666240), (52, 9845760), (60, 8532992), (64, 7999680), (65, 7876608), (78, 6563840), (80, 6399744), (96, 5333120), (104, 4922880), (120, 4266496), (128, 3999840), (130, 3938304), (156, 3281920), (160, 3199872), (192, 2666560), (195, 2625536), (208, 2461440), (240, 2133248), (256, 1999920), (260, 1969152), (312, 1640960), (320, 1599936), (384, 1333280), (390, 1312768), (416, 1230720), (480, 1066624), (512, 999960), (520, 984576), (624, 820480), (640, 799968), (641, 798720), (768, 666640), (780, 656384), (832, 615360), (960, 533312), (1024, 499980), (1040, 492288), (1248, 410240), (1280, 399984), (1282, 399360), (1536, 333320), (1560, 328192), (1664, 307680), (1920, 266656), (1923, 266240), (2048, 249990), (2080, 246144), (2496, 205120), (2560, 199992), (2564, 199680), (3072, 166660), (3120, 164096), (3205, 159744), (3328, 153840), (3840, 133328), (3846, 133120), (4096, 124995), (4160, 123072), (4992, 102560), (5120, 99996), (5128, 99840), (6144, 83330), (6240, 82048), (6410, 79872), (6656, 76920), (7680, 66664), (7692, 66560), (8320, 61536), (8333, 61440), (9615, 53248), (9984, 51280), (10240, 49998), (10256, 49920), (12288, 41665), (12480, 41024), (12820, 39936), (13312, 38460), (15360, 33332), (15384, 33280), (16640, 30768), (16666, 30720), (19230, 26624), (19968, 25640), (20480, 24999), (20512, 24960)]