217704960

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{859}}^1$

素因数の和:899

約数の個数: 240

約数和(自身を含む): 823474080

約数和(自身を除く): 605769120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 64, 66, 72, 80, 88, 90, 96, 99, 110, 120, 128, 132, 144, 160, 165, 176, 180, 192, 198, 220, 240, 256, 264, 288, 320, 330, 352, 360, 384, 396, 440, 480, 495, 512, 528, 576, 640, 660, 704, 720, 768, 792, 859, 880, 960, 990, 1056, 1152, 1280, 1320, 1408, 1440, 1536, 1584, 1718, 1760, 1920, 1980, 2112, 2304, 2560, 2577, 2640, 2816, 2880, 3168, 3436, 3520, 3840, 3960, 4224, 4295, 4608, 5154, 5280, 5632, 5760, 6336, 6872, 7040, 7680, 7731, 7920, 8448, 8590, 9449, 10308, 10560, 11520, 12672, 12885, 13744, 14080, 15462, 15840, 16896, 17180, 18898, 20616, 21120, 23040, 25344, 25770, 27488, 28160, 28347, 30924, 31680, 34360, 37796, 38655, 41232, 42240, 47245, 50688, 51540, 54976, 56694, 61848, 63360, 68720, 75592, 77310, 82464, 84480, 85041, 94490, 103080, 109952, 113388, 123696, 126720, 137440, 141735, 151184, 154620, 164928, 170082, 188980, 206160, 219904, 226776, 247392, 253440, 274880, 283470, 302368, 309240, 329856, 340164, 377960, 412320, 425205, 439808, 453552, 494784, 549760, 566940, 604736, 618480, 659712, 680328, 755920, 824640, 850410, 907104, 989568, 1099520, 1133880, 1209472, 1236960, 1319424, 1360656, 1511840, 1649280, 1700820, 1814208, 1979136, 2199040, 2267760, 2418944, 2473920, 2721312, 3023680, 3298560, 3401640, 3628416, 3958272, 4535520, 4837888, 4947840, 5442624, 6047360, 6597120, 6803280, 7256832, 9071040, 9895680, 10885248, 12094720, 13606560, 14513664, 18142080, 19791360, 21770496, 24189440, 27213120, 36284160, 43540992, 54426240, 72568320, 108852480, 217704960]

約数ペア:

[(1, 217704960), (2, 108852480), (3, 72568320), (4, 54426240), (5, 43540992), (6, 36284160), (8, 27213120), (9, 24189440), (10, 21770496), (11, 19791360), (12, 18142080), (15, 14513664), (16, 13606560), (18, 12094720), (20, 10885248), (22, 9895680), (24, 9071040), (30, 7256832), (32, 6803280), (33, 6597120), (36, 6047360), (40, 5442624), (44, 4947840), (45, 4837888), (48, 4535520), (55, 3958272), (60, 3628416), (64, 3401640), (66, 3298560), (72, 3023680), (80, 2721312), (88, 2473920), (90, 2418944), (96, 2267760), (99, 2199040), (110, 1979136), (120, 1814208), (128, 1700820), (132, 1649280), (144, 1511840), (160, 1360656), (165, 1319424), (176, 1236960), (180, 1209472), (192, 1133880), (198, 1099520), (220, 989568), (240, 907104), (256, 850410), (264, 824640), (288, 755920), (320, 680328), (330, 659712), (352, 618480), (360, 604736), (384, 566940), (396, 549760), (440, 494784), (480, 453552), (495, 439808), (512, 425205), (528, 412320), (576, 377960), (640, 340164), (660, 329856), (704, 309240), (720, 302368), (768, 283470), (792, 274880), (859, 253440), (880, 247392), (960, 226776), (990, 219904), (1056, 206160), (1152, 188980), (1280, 170082), (1320, 164928), (1408, 154620), (1440, 151184), (1536, 141735), (1584, 137440), (1718, 126720), (1760, 123696), (1920, 113388), (1980, 109952), (2112, 103080), (2304, 94490), (2560, 85041), (2577, 84480), (2640, 82464), (2816, 77310), (2880, 75592), (3168, 68720), (3436, 63360), (3520, 61848), (3840, 56694), (3960, 54976), (4224, 51540), (4295, 50688), (4608, 47245), (5154, 42240), (5280, 41232), (5632, 38655), (5760, 37796), (6336, 34360), (6872, 31680), (7040, 30924), (7680, 28347), (7731, 28160), (7920, 27488), (8448, 25770), (8590, 25344), (9449, 23040), (10308, 21120), (10560, 20616), (11520, 18898), (12672, 17180), (12885, 16896), (13744, 15840), (14080, 15462)]