217689120

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{509}}^1$

素因数の和:550

約数の個数: 288

約数和(自身を含む): 842063040

約数和(自身を除く): 624373920

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, 66, 72, 80, 81, 88, 90, 96, 99, 108, 110, 120, 132, 135, 144, 160, 162, 165, 176, 180, 198, 216, 220, 240, 243, 264, 270, 288, 297, 324, 330, 352, 360, 396, 405, 432, 440, 480, 486, 495, 509, 528, 540, 594, 648, 660, 720, 792, 810, 864, 880, 891, 972, 990, 1018, 1056, 1080, 1188, 1215, 1296, 1320, 1440, 1485, 1527, 1584, 1620, 1760, 1782, 1944, 1980, 2036, 2160, 2376, 2430, 2545, 2592, 2640, 2673, 2970, 3054, 3168, 3240, 3564, 3888, 3960, 4072, 4320, 4455, 4581, 4752, 4860, 5090, 5280, 5346, 5599, 5940, 6108, 6480, 7128, 7635, 7776, 7920, 8144, 8910, 9162, 9504, 9720, 10180, 10692, 11198, 11880, 12216, 12960, 13365, 13743, 14256, 15270, 15840, 16288, 16797, 17820, 18324, 19440, 20360, 21384, 22396, 22905, 23760, 24432, 26730, 27486, 27995, 28512, 30540, 33594, 35640, 36648, 38880, 40720, 41229, 42768, 44792, 45810, 47520, 48864, 50391, 53460, 54972, 55990, 61080, 67188, 68715, 71280, 73296, 81440, 82458, 83985, 85536, 89584, 91620, 100782, 106920, 109944, 111980, 122160, 123687, 134376, 137430, 142560, 146592, 151173, 164916, 167970, 179168, 183240, 201564, 206145, 213840, 219888, 223960, 244320, 247374, 251955, 268752, 274860, 302346, 329832, 335940, 366480, 403128, 412290, 427680, 439776, 447920, 453519, 494748, 503910, 537504, 549720, 604692, 618435, 659664, 671880, 732960, 755865, 806256, 824580, 895840, 907038, 989496, 1007820, 1099440, 1209384, 1236870, 1319328, 1343760, 1360557, 1511730, 1612512, 1649160, 1814076, 1978992, 2015640, 2198880, 2267595, 2418768, 2473740, 2687520, 2721114, 3023460, 3298320, 3628152, 3957984, 4031280, 4535190, 4837536, 4947480, 5442228, 6046920, 6596640, 6802785, 7256304, 8062560, 9070380, 9894960, 10884456, 12093840, 13605570, 14512608, 18140760, 19789920, 21768912, 24187680, 27211140, 36281520, 43537824, 54422280, 72563040, 108844560, 217689120]

約数ペア:

[(1, 217689120), (2, 108844560), (3, 72563040), (4, 54422280), (5, 43537824), (6, 36281520), (8, 27211140), (9, 24187680), (10, 21768912), (11, 19789920), (12, 18140760), (15, 14512608), (16, 13605570), (18, 12093840), (20, 10884456), (22, 9894960), (24, 9070380), (27, 8062560), (30, 7256304), (32, 6802785), (33, 6596640), (36, 6046920), (40, 5442228), (44, 4947480), (45, 4837536), (48, 4535190), (54, 4031280), (55, 3957984), (60, 3628152), (66, 3298320), (72, 3023460), (80, 2721114), (81, 2687520), (88, 2473740), (90, 2418768), (96, 2267595), (99, 2198880), (108, 2015640), (110, 1978992), (120, 1814076), (132, 1649160), (135, 1612512), (144, 1511730), (160, 1360557), (162, 1343760), (165, 1319328), (176, 1236870), (180, 1209384), (198, 1099440), (216, 1007820), (220, 989496), (240, 907038), (243, 895840), (264, 824580), (270, 806256), (288, 755865), (297, 732960), (324, 671880), (330, 659664), (352, 618435), (360, 604692), (396, 549720), (405, 537504), (432, 503910), (440, 494748), (480, 453519), (486, 447920), (495, 439776), (509, 427680), (528, 412290), (540, 403128), (594, 366480), (648, 335940), (660, 329832), (720, 302346), (792, 274860), (810, 268752), (864, 251955), (880, 247374), (891, 244320), (972, 223960), (990, 219888), (1018, 213840), (1056, 206145), (1080, 201564), (1188, 183240), (1215, 179168), (1296, 167970), (1320, 164916), (1440, 151173), (1485, 146592), (1527, 142560), (1584, 137430), (1620, 134376), (1760, 123687), (1782, 122160), (1944, 111980), (1980, 109944), (2036, 106920), (2160, 100782), (2376, 91620), (2430, 89584), (2545, 85536), (2592, 83985), (2640, 82458), (2673, 81440), (2970, 73296), (3054, 71280), (3168, 68715), (3240, 67188), (3564, 61080), (3888, 55990), (3960, 54972), (4072, 53460), (4320, 50391), (4455, 48864), (4581, 47520), (4752, 45810), (4860, 44792), (5090, 42768), (5280, 41229), (5346, 40720), (5599, 38880), (5940, 36648), (6108, 35640), (6480, 33594), (7128, 30540), (7635, 28512), (7776, 27995), (7920, 27486), (8144, 26730), (8910, 24432), (9162, 23760), (9504, 22905), (9720, 22396), (10180, 21384), (10692, 20360), (11198, 19440), (11880, 18324), (12216, 17820), (12960, 16797), (13365, 16288), (13743, 15840), (14256, 15270)]