20839265280

素因数分解:

$2^{10}\times 3^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{461}}^1$

素因数の和:607

約数の個数: 440

約数和(自身を含む): 75524720040

約数和(自身を除く): 54685454760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 109, 120, 128, 135, 144, 160, 162, 180, 192, 216, 218, 240, 256, 270, 288, 320, 324, 327, 360, 384, 405, 432, 436, 461, 480, 512, 540, 545, 576, 640, 648, 654, 720, 768, 810, 864, 872, 922, 960, 981, 1024, 1080, 1090, 1152, 1280, 1296, 1308, 1383, 1440, 1536, 1620, 1635, 1728, 1744, 1844, 1920, 1962, 2160, 2180, 2304, 2305, 2560, 2592, 2616, 2766, 2880, 2943, 3072, 3240, 3270, 3456, 3488, 3688, 3840, 3924, 4149, 4320, 4360, 4608, 4610, 4905, 5120, 5184, 5232, 5532, 5760, 5886, 6480, 6540, 6912, 6915, 6976, 7376, 7680, 7848, 8298, 8640, 8720, 8829, 9216, 9220, 9810, 10368, 10464, 11064, 11520, 11772, 12447, 12960, 13080, 13824, 13830, 13952, 14715, 14752, 15360, 15696, 16596, 17280, 17440, 17658, 18440, 19620, 20736, 20745, 20928, 22128, 23040, 23544, 24894, 25920, 26160, 27648, 27660, 27904, 29430, 29504, 31392, 33192, 34560, 34880, 35316, 36880, 37341, 39240, 41472, 41490, 41856, 44145, 44256, 46080, 47088, 49788, 50249, 51840, 52320, 55320, 55808, 58860, 59008, 62235, 62784, 66384, 69120, 69760, 70632, 73760, 74682, 78480, 82944, 82980, 83712, 88290, 88512, 94176, 99576, 100498, 103680, 104640, 110640, 111616, 117720, 118016, 124470, 125568, 132768, 138240, 139520, 141264, 147520, 149364, 150747, 156960, 165960, 167424, 176580, 177024, 186705, 188352, 199152, 200996, 207360, 209280, 221280, 235440, 236032, 248940, 251136, 251245, 265536, 279040, 282528, 295040, 298728, 301494, 313920, 331920, 334848, 353160, 354048, 373410, 376704, 398304, 401992, 414720, 418560, 442560, 452241, 470880, 472064, 497880, 502272, 502490, 531072, 558080, 565056, 590080, 597456, 602988, 627840, 663840, 706320, 708096, 746820, 753408, 753735, 796608, 803984, 837120, 885120, 904482, 941760, 995760, 1004544, 1004980, 1062144, 1130112, 1180160, 1194912, 1205976, 1255680, 1327680, 1356723, 1412640, 1416192, 1493640, 1506816, 1507470, 1593216, 1607968, 1674240, 1770240, 1808964, 1883520, 1991520, 2009960, 2124288, 2260224, 2261205, 2360320, 2389824, 2411952, 2511360, 2655360, 2713446, 2825280, 2987280, 3013632, 3014940, 3186432, 3215936, 3540480, 3617928, 3767040, 3983040, 4019920, 4070169, 4248576, 4520448, 4522410, 4779648, 4823904, 5022720, 5310720, 5426892, 5650560, 5974560, 6029880, 6372864, 6431872, 6783615, 7080960, 7235856, 7534080, 7966080, 8039840, 8140338, 9040896, 9044820, 9559296, 9647808, 10621440, 10853784, 11301120, 11949120, 12059760, 12745728, 12863744, 13567230, 14471712, 15068160, 15932160, 16079680, 16280676, 18089640, 19118592, 19295616, 20350845, 21242880, 21707568, 22602240, 23898240, 24119520, 25727488, 27134460, 28943424, 31864320, 32159360, 32561352, 36179280, 38237184, 38591232, 40701690, 43415136, 45204480, 47796480, 48239040, 51454976, 54268920, 57886848, 63728640, 64318720, 65122704, 72358560, 77182464, 81403380, 86830272, 95592960, 96478080, 108537840, 115773696, 128637440, 130245408, 144717120, 154364928, 162806760, 173660544, 191185920, 192956160, 217075680, 231547392, 257274880, 260490816, 289434240, 325613520, 347321088, 385912320, 434151360, 463094784, 520981632, 578868480, 651227040, 694642176, 771824640, 868302720, 1041963264, 1157736960, 1302454080, 1389284352, 1736605440, 2083926528, 2315473920, 2604908160, 3473210880, 4167853056, 5209816320, 6946421760, 10419632640, 20839265280]

約数ペア:

[(1, 20839265280), (2, 10419632640), (3, 6946421760), (4, 5209816320), (5, 4167853056), (6, 3473210880), (8, 2604908160), (9, 2315473920), (10, 2083926528), (12, 1736605440), (15, 1389284352), (16, 1302454080), (18, 1157736960), (20, 1041963264), (24, 868302720), (27, 771824640), (30, 694642176), (32, 651227040), (36, 578868480), (40, 520981632), (45, 463094784), (48, 434151360), (54, 385912320), (60, 347321088), (64, 325613520), (72, 289434240), (80, 260490816), (81, 257274880), (90, 231547392), (96, 217075680), (108, 192956160), (109, 191185920), (120, 173660544), (128, 162806760), (135, 154364928), (144, 144717120), (160, 130245408), (162, 128637440), (180, 115773696), (192, 108537840), (216, 96478080), (218, 95592960), (240, 86830272), (256, 81403380), (270, 77182464), (288, 72358560), (320, 65122704), (324, 64318720), (327, 63728640), (360, 57886848), (384, 54268920), (405, 51454976), (432, 48239040), (436, 47796480), (461, 45204480), (480, 43415136), (512, 40701690), (540, 38591232), (545, 38237184), (576, 36179280), (640, 32561352), (648, 32159360), (654, 31864320), (720, 28943424), (768, 27134460), (810, 25727488), (864, 24119520), (872, 23898240), (922, 22602240), (960, 21707568), (981, 21242880), (1024, 20350845), (1080, 19295616), (1090, 19118592), (1152, 18089640), (1280, 16280676), (1296, 16079680), (1308, 15932160), (1383, 15068160), (1440, 14471712), (1536, 13567230), (1620, 12863744), (1635, 12745728), (1728, 12059760), (1744, 11949120), (1844, 11301120), (1920, 10853784), (1962, 10621440), (2160, 9647808), (2180, 9559296), (2304, 9044820), (2305, 9040896), (2560, 8140338), (2592, 8039840), (2616, 7966080), (2766, 7534080), (2880, 7235856), (2943, 7080960), (3072, 6783615), (3240, 6431872), (3270, 6372864), (3456, 6029880), (3488, 5974560), (3688, 5650560), (3840, 5426892), (3924, 5310720), (4149, 5022720), (4320, 4823904), (4360, 4779648), (4608, 4522410), (4610, 4520448), (4905, 4248576), (5120, 4070169), (5184, 4019920), (5232, 3983040), (5532, 3767040), (5760, 3617928), (5886, 3540480), (6480, 3215936), (6540, 3186432), (6912, 3014940), (6915, 3013632), (6976, 2987280), (7376, 2825280), (7680, 2713446), (7848, 2655360), (8298, 2511360), (8640, 2411952), (8720, 2389824), (8829, 2360320), (9216, 2261205), (9220, 2260224), (9810, 2124288), (10368, 2009960), (10464, 1991520), (11064, 1883520), (11520, 1808964), (11772, 1770240), (12447, 1674240), (12960, 1607968), (13080, 1593216), (13824, 1507470), (13830, 1506816), (13952, 1493640), (14715, 1416192), (14752, 1412640), (15360, 1356723), (15696, 1327680), (16596, 1255680), (17280, 1205976), (17440, 1194912), (17658, 1180160), (18440, 1130112), (19620, 1062144), (20736, 1004980), (20745, 1004544), (20928, 995760), (22128, 941760), (23040, 904482), (23544, 885120), (24894, 837120), (25920, 803984), (26160, 796608), (27648, 753735), (27660, 753408), (27904, 746820), (29430, 708096), (29504, 706320), (31392, 663840), (33192, 627840), (34560, 602988), (34880, 597456), (35316, 590080), (36880, 565056), (37341, 558080), (39240, 531072), (41472, 502490), (41490, 502272), (41856, 497880), (44145, 472064), (44256, 470880), (46080, 452241), (47088, 442560), (49788, 418560), (50249, 414720), (51840, 401992), (52320, 398304), (55320, 376704), (55808, 373410), (58860, 354048), (59008, 353160), (62235, 334848), (62784, 331920), (66384, 313920), (69120, 301494), (69760, 298728), (70632, 295040), (73760, 282528), (74682, 279040), (78480, 265536), (82944, 251245), (82980, 251136), (83712, 248940), (88290, 236032), (88512, 235440), (94176, 221280), (99576, 209280), (100498, 207360), (103680, 200996), (104640, 199152), (110640, 188352), (111616, 186705), (117720, 177024), (118016, 176580), (124470, 167424), (125568, 165960), (132768, 156960), (138240, 150747), (139520, 149364), (141264, 147520)]