81639360

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{859}}^1$

素因数の和:896

約数の個数: 224

約数和(自身を含む): 314553600

約数和(自身を除く): 232914240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 32, 33, 36, 40, 44, 45, 48, 54, 55, 60, 64, 66, 72, 80, 88, 90, 96, 99, 108, 110, 120, 132, 135, 144, 160, 165, 176, 180, 192, 198, 216, 220, 240, 264, 270, 288, 297, 320, 330, 352, 360, 396, 432, 440, 480, 495, 528, 540, 576, 594, 660, 704, 720, 792, 859, 864, 880, 960, 990, 1056, 1080, 1188, 1320, 1440, 1485, 1584, 1718, 1728, 1760, 1980, 2112, 2160, 2376, 2577, 2640, 2880, 2970, 3168, 3436, 3520, 3960, 4295, 4320, 4752, 5154, 5280, 5940, 6336, 6872, 7731, 7920, 8590, 8640, 9449, 9504, 10308, 10560, 11880, 12885, 13744, 15462, 15840, 17180, 18898, 19008, 20616, 23193, 23760, 25770, 27488, 28347, 30924, 31680, 34360, 37796, 38655, 41232, 46386, 47245, 47520, 51540, 54976, 56694, 61848, 68720, 75592, 77310, 82464, 85041, 92772, 94490, 95040, 103080, 113388, 115965, 123696, 137440, 141735, 151184, 154620, 164928, 170082, 185544, 188980, 206160, 226776, 231930, 247392, 255123, 274880, 283470, 302368, 309240, 340164, 371088, 377960, 412320, 425205, 453552, 463860, 494784, 510246, 566940, 604736, 618480, 680328, 742176, 755920, 824640, 850410, 907104, 927720, 1020492, 1133880, 1236960, 1275615, 1360656, 1484352, 1511840, 1700820, 1814208, 1855440, 2040984, 2267760, 2473920, 2551230, 2721312, 3023680, 3401640, 3710880, 4081968, 4535520, 5102460, 5442624, 6803280, 7421760, 8163936, 9071040, 10204920, 13606560, 16327872, 20409840, 27213120, 40819680, 81639360]

約数ペア:

[(1, 81639360), (2, 40819680), (3, 27213120), (4, 20409840), (5, 16327872), (6, 13606560), (8, 10204920), (9, 9071040), (10, 8163936), (11, 7421760), (12, 6803280), (15, 5442624), (16, 5102460), (18, 4535520), (20, 4081968), (22, 3710880), (24, 3401640), (27, 3023680), (30, 2721312), (32, 2551230), (33, 2473920), (36, 2267760), (40, 2040984), (44, 1855440), (45, 1814208), (48, 1700820), (54, 1511840), (55, 1484352), (60, 1360656), (64, 1275615), (66, 1236960), (72, 1133880), (80, 1020492), (88, 927720), (90, 907104), (96, 850410), (99, 824640), (108, 755920), (110, 742176), (120, 680328), (132, 618480), (135, 604736), (144, 566940), (160, 510246), (165, 494784), (176, 463860), (180, 453552), (192, 425205), (198, 412320), (216, 377960), (220, 371088), (240, 340164), (264, 309240), (270, 302368), (288, 283470), (297, 274880), (320, 255123), (330, 247392), (352, 231930), (360, 226776), (396, 206160), (432, 188980), (440, 185544), (480, 170082), (495, 164928), (528, 154620), (540, 151184), (576, 141735), (594, 137440), (660, 123696), (704, 115965), (720, 113388), (792, 103080), (859, 95040), (864, 94490), (880, 92772), (960, 85041), (990, 82464), (1056, 77310), (1080, 75592), (1188, 68720), (1320, 61848), (1440, 56694), (1485, 54976), (1584, 51540), (1718, 47520), (1728, 47245), (1760, 46386), (1980, 41232), (2112, 38655), (2160, 37796), (2376, 34360), (2577, 31680), (2640, 30924), (2880, 28347), (2970, 27488), (3168, 25770), (3436, 23760), (3520, 23193), (3960, 20616), (4295, 19008), (4320, 18898), (4752, 17180), (5154, 15840), (5280, 15462), (5940, 13744), (6336, 12885), (6872, 11880), (7731, 10560), (7920, 10308), (8590, 9504), (8640, 9449)]