20687420160

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{2767}}^1$

素因数の和:2864

約数の個数: 432

約数和(自身を含む): 79435399680

約数和(自身を除く): 58747979520

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, 59, 60, 64, 66, 72, 80, 88, 90, 96, 99, 110, 118, 120, 128, 132, 144, 160, 165, 176, 177, 180, 192, 198, 220, 236, 240, 256, 264, 288, 295, 320, 330, 352, 354, 360, 384, 396, 440, 472, 480, 495, 528, 531, 576, 590, 640, 649, 660, 704, 708, 720, 768, 792, 880, 885, 944, 960, 990, 1056, 1062, 1152, 1180, 1280, 1298, 1320, 1408, 1416, 1440, 1584, 1760, 1770, 1888, 1920, 1947, 1980, 2112, 2124, 2304, 2360, 2596, 2640, 2655, 2767, 2816, 2832, 2880, 3168, 3245, 3520, 3540, 3776, 3840, 3894, 3960, 4224, 4248, 4720, 5192, 5280, 5310, 5534, 5664, 5760, 5841, 6336, 6490, 7040, 7080, 7552, 7788, 7920, 8301, 8448, 8496, 9440, 9735, 10384, 10560, 10620, 11068, 11328, 11520, 11682, 12672, 12980, 13835, 14080, 14160, 15104, 15576, 15840, 16602, 16992, 18880, 19470, 20768, 21120, 21240, 22136, 22656, 23364, 24903, 25344, 25960, 27670, 28320, 29205, 30437, 31152, 31680, 33204, 33984, 37760, 38940, 41505, 41536, 42240, 42480, 44272, 45312, 46728, 49806, 51920, 55340, 56640, 58410, 60874, 62304, 63360, 66408, 67968, 75520, 77880, 83010, 83072, 84960, 88544, 91311, 93456, 99612, 103840, 110680, 113280, 116820, 121748, 124515, 124608, 126720, 132816, 135936, 152185, 155760, 163253, 166020, 166144, 169920, 177088, 182622, 186912, 199224, 207680, 221360, 226560, 233640, 243496, 249030, 249216, 265632, 273933, 304370, 311520, 326506, 332040, 339840, 354176, 365244, 373824, 398448, 415360, 442720, 456555, 467280, 486992, 489759, 498060, 498432, 531264, 547866, 608740, 623040, 653012, 664080, 679680, 708352, 730488, 747648, 796896, 816265, 830720, 885440, 913110, 934560, 973984, 979518, 996120, 1062528, 1095732, 1217480, 1246080, 1306024, 1328160, 1369665, 1460976, 1469277, 1495296, 1593792, 1632530, 1770880, 1795783, 1826220, 1869120, 1947968, 1959036, 1992240, 2125056, 2191464, 2434960, 2448795, 2492160, 2612048, 2656320, 2739330, 2921952, 2938554, 3187584, 3265060, 3541760, 3591566, 3652440, 3738240, 3895936, 3918072, 3984480, 4382928, 4869920, 4897590, 5224096, 5312640, 5387349, 5478660, 5843904, 5877108, 6375168, 6530120, 7183132, 7304880, 7346385, 7476480, 7791872, 7836144, 7968960, 8765856, 8978915, 9739840, 9795180, 10448192, 10625280, 10774698, 10957320, 11687808, 11754216, 13060240, 14366264, 14609760, 14692770, 15672288, 15937920, 16162047, 17531712, 17957830, 19479680, 19590360, 20896384, 21549396, 21914640, 23375616, 23508432, 26120480, 26936745, 28732528, 29219520, 29385540, 31344576, 31875840, 32324094, 35063424, 35915660, 38959360, 39180720, 41792768, 43098792, 43829280, 47016864, 52240960, 53873490, 57465056, 58439040, 58771080, 62689152, 64648188, 70126848, 71831320, 78361440, 80810235, 86197584, 87658560, 94033728, 104481920, 107746980, 114930112, 116878080, 117542160, 125378304, 129296376, 143662640, 156722880, 161620470, 172395168, 175317120, 188067456, 208963840, 215493960, 229860224, 235084320, 258592752, 287325280, 313445760, 323240940, 344790336, 350634240, 376134912, 430987920, 459720448, 470168640, 517185504, 574650560, 626891520, 646481880, 689580672, 861975840, 940337280, 1034371008, 1149301120, 1292963760, 1379161344, 1723951680, 1880674560, 2068742016, 2298602240, 2585927520, 3447903360, 4137484032, 5171855040, 6895806720, 10343710080, 20687420160]

約数ペア:

[(1, 20687420160), (2, 10343710080), (3, 6895806720), (4, 5171855040), (5, 4137484032), (6, 3447903360), (8, 2585927520), (9, 2298602240), (10, 2068742016), (11, 1880674560), (12, 1723951680), (15, 1379161344), (16, 1292963760), (18, 1149301120), (20, 1034371008), (22, 940337280), (24, 861975840), (30, 689580672), (32, 646481880), (33, 626891520), (36, 574650560), (40, 517185504), (44, 470168640), (45, 459720448), (48, 430987920), (55, 376134912), (59, 350634240), (60, 344790336), (64, 323240940), (66, 313445760), (72, 287325280), (80, 258592752), (88, 235084320), (90, 229860224), (96, 215493960), (99, 208963840), (110, 188067456), (118, 175317120), (120, 172395168), (128, 161620470), (132, 156722880), (144, 143662640), (160, 129296376), (165, 125378304), (176, 117542160), (177, 116878080), (180, 114930112), (192, 107746980), (198, 104481920), (220, 94033728), (236, 87658560), (240, 86197584), (256, 80810235), (264, 78361440), (288, 71831320), (295, 70126848), (320, 64648188), (330, 62689152), (352, 58771080), (354, 58439040), (360, 57465056), (384, 53873490), (396, 52240960), (440, 47016864), (472, 43829280), (480, 43098792), (495, 41792768), (528, 39180720), (531, 38959360), (576, 35915660), (590, 35063424), (640, 32324094), (649, 31875840), (660, 31344576), (704, 29385540), (708, 29219520), (720, 28732528), (768, 26936745), (792, 26120480), (880, 23508432), (885, 23375616), (944, 21914640), (960, 21549396), (990, 20896384), (1056, 19590360), (1062, 19479680), (1152, 17957830), (1180, 17531712), (1280, 16162047), (1298, 15937920), (1320, 15672288), (1408, 14692770), (1416, 14609760), (1440, 14366264), (1584, 13060240), (1760, 11754216), (1770, 11687808), (1888, 10957320), (1920, 10774698), (1947, 10625280), (1980, 10448192), (2112, 9795180), (2124, 9739840), (2304, 8978915), (2360, 8765856), (2596, 7968960), (2640, 7836144), (2655, 7791872), (2767, 7476480), (2816, 7346385), (2832, 7304880), (2880, 7183132), (3168, 6530120), (3245, 6375168), (3520, 5877108), (3540, 5843904), (3776, 5478660), (3840, 5387349), (3894, 5312640), (3960, 5224096), (4224, 4897590), (4248, 4869920), (4720, 4382928), (5192, 3984480), (5280, 3918072), (5310, 3895936), (5534, 3738240), (5664, 3652440), (5760, 3591566), (5841, 3541760), (6336, 3265060), (6490, 3187584), (7040, 2938554), (7080, 2921952), (7552, 2739330), (7788, 2656320), (7920, 2612048), (8301, 2492160), (8448, 2448795), (8496, 2434960), (9440, 2191464), (9735, 2125056), (10384, 1992240), (10560, 1959036), (10620, 1947968), (11068, 1869120), (11328, 1826220), (11520, 1795783), (11682, 1770880), (12672, 1632530), (12980, 1593792), (13835, 1495296), (14080, 1469277), (14160, 1460976), (15104, 1369665), (15576, 1328160), (15840, 1306024), (16602, 1246080), (16992, 1217480), (18880, 1095732), (19470, 1062528), (20768, 996120), (21120, 979518), (21240, 973984), (22136, 934560), (22656, 913110), (23364, 885440), (24903, 830720), (25344, 816265), (25960, 796896), (27670, 747648), (28320, 730488), (29205, 708352), (30437, 679680), (31152, 664080), (31680, 653012), (33204, 623040), (33984, 608740), (37760, 547866), (38940, 531264), (41505, 498432), (41536, 498060), (42240, 489759), (42480, 486992), (44272, 467280), (45312, 456555), (46728, 442720), (49806, 415360), (51920, 398448), (55340, 373824), (56640, 365244), (58410, 354176), (60874, 339840), (62304, 332040), (63360, 326506), (66408, 311520), (67968, 304370), (75520, 273933), (77880, 265632), (83010, 249216), (83072, 249030), (84960, 243496), (88544, 233640), (91311, 226560), (93456, 221360), (99612, 207680), (103840, 199224), (110680, 186912), (113280, 182622), (116820, 177088), (121748, 169920), (124515, 166144), (124608, 166020), (126720, 163253), (132816, 155760), (135936, 152185)]