71997120

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{641}}^1$

素因数の和:680

約数の個数: 224

約数和(自身を含む): 273954240

約数和(自身を除く): 201957120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 64, 65, 72, 78, 80, 90, 96, 104, 108, 117, 120, 130, 135, 144, 156, 160, 180, 192, 195, 208, 216, 234, 240, 260, 270, 288, 312, 320, 351, 360, 390, 416, 432, 468, 480, 520, 540, 576, 585, 624, 641, 702, 720, 780, 832, 864, 936, 960, 1040, 1080, 1170, 1248, 1282, 1404, 1440, 1560, 1728, 1755, 1872, 1923, 2080, 2160, 2340, 2496, 2564, 2808, 2880, 3120, 3205, 3510, 3744, 3846, 4160, 4320, 4680, 5128, 5616, 5769, 6240, 6410, 7020, 7488, 7692, 8333, 8640, 9360, 9615, 10256, 11232, 11538, 12480, 12820, 14040, 15384, 16666, 17307, 18720, 19230, 20512, 22464, 23076, 24999, 25640, 28080, 28845, 30768, 33332, 34614, 37440, 38460, 41024, 41665, 46152, 49998, 51280, 56160, 57690, 61536, 66664, 69228, 74997, 76920, 83330, 86535, 92304, 99996, 102560, 112320, 115380, 123072, 124995, 133328, 138456, 149994, 153840, 166660, 173070, 184608, 199992, 205120, 224991, 230760, 249990, 266656, 276912, 299988, 307680, 333320, 346140, 369216, 374985, 399984, 449982, 461520, 499980, 533312, 553824, 599976, 615360, 666640, 692280, 749970, 799968, 899964, 923040, 999960, 1107648, 1124955, 1199952, 1333280, 1384560, 1499940, 1599936, 1799928, 1846080, 1999920, 2249910, 2399904, 2666560, 2769120, 2999880, 3599856, 3999840, 4499820, 4799808, 5538240, 5999760, 7199712, 7999680, 8999640, 11999520, 14399424, 17999280, 23999040, 35998560, 71997120]

約数ペア:

[(1, 71997120), (2, 35998560), (3, 23999040), (4, 17999280), (5, 14399424), (6, 11999520), (8, 8999640), (9, 7999680), (10, 7199712), (12, 5999760), (13, 5538240), (15, 4799808), (16, 4499820), (18, 3999840), (20, 3599856), (24, 2999880), (26, 2769120), (27, 2666560), (30, 2399904), (32, 2249910), (36, 1999920), (39, 1846080), (40, 1799928), (45, 1599936), (48, 1499940), (52, 1384560), (54, 1333280), (60, 1199952), (64, 1124955), (65, 1107648), (72, 999960), (78, 923040), (80, 899964), (90, 799968), (96, 749970), (104, 692280), (108, 666640), (117, 615360), (120, 599976), (130, 553824), (135, 533312), (144, 499980), (156, 461520), (160, 449982), (180, 399984), (192, 374985), (195, 369216), (208, 346140), (216, 333320), (234, 307680), (240, 299988), (260, 276912), (270, 266656), (288, 249990), (312, 230760), (320, 224991), (351, 205120), (360, 199992), (390, 184608), (416, 173070), (432, 166660), (468, 153840), (480, 149994), (520, 138456), (540, 133328), (576, 124995), (585, 123072), (624, 115380), (641, 112320), (702, 102560), (720, 99996), (780, 92304), (832, 86535), (864, 83330), (936, 76920), (960, 74997), (1040, 69228), (1080, 66664), (1170, 61536), (1248, 57690), (1282, 56160), (1404, 51280), (1440, 49998), (1560, 46152), (1728, 41665), (1755, 41024), (1872, 38460), (1923, 37440), (2080, 34614), (2160, 33332), (2340, 30768), (2496, 28845), (2564, 28080), (2808, 25640), (2880, 24999), (3120, 23076), (3205, 22464), (3510, 20512), (3744, 19230), (3846, 18720), (4160, 17307), (4320, 16666), (4680, 15384), (5128, 14040), (5616, 12820), (5769, 12480), (6240, 11538), (6410, 11232), (7020, 10256), (7488, 9615), (7692, 9360), (8333, 8640)]