20705118720

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1109}}^1$

素因数の和:1176

約数の個数: 640

約数和(自身を含む): 82412225280

約数和(自身を除く): 61707106560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 16, 17, 20, 22, 24, 26, 30, 32, 33, 34, 39, 40, 44, 48, 51, 52, 55, 60, 64, 65, 66, 68, 78, 80, 85, 88, 96, 102, 104, 110, 120, 128, 130, 132, 136, 143, 156, 160, 165, 170, 176, 187, 192, 195, 204, 208, 220, 221, 240, 255, 256, 260, 264, 272, 286, 312, 320, 330, 340, 352, 374, 384, 390, 408, 416, 429, 440, 442, 480, 510, 512, 520, 528, 544, 561, 572, 624, 640, 660, 663, 680, 704, 715, 748, 768, 780, 816, 832, 858, 880, 884, 935, 960, 1020, 1040, 1056, 1088, 1105, 1109, 1122, 1144, 1248, 1280, 1320, 1326, 1360, 1408, 1430, 1496, 1536, 1560, 1632, 1664, 1716, 1760, 1768, 1870, 1920, 2040, 2080, 2112, 2145, 2176, 2210, 2218, 2244, 2288, 2431, 2496, 2560, 2640, 2652, 2720, 2805, 2816, 2860, 2992, 3120, 3264, 3315, 3327, 3328, 3432, 3520, 3536, 3740, 3840, 4080, 4160, 4224, 4290, 4352, 4420, 4436, 4488, 4576, 4862, 4992, 5280, 5304, 5440, 5545, 5610, 5632, 5720, 5984, 6240, 6528, 6630, 6654, 6656, 6864, 7040, 7072, 7293, 7480, 7680, 8160, 8320, 8448, 8580, 8704, 8840, 8872, 8976, 9152, 9724, 9984, 10560, 10608, 10880, 11090, 11220, 11440, 11968, 12155, 12199, 12480, 13056, 13260, 13308, 13728, 14080, 14144, 14417, 14586, 14960, 16320, 16635, 16640, 16896, 17160, 17680, 17744, 17952, 18304, 18853, 19448, 19968, 21120, 21216, 21760, 22180, 22440, 22880, 23936, 24310, 24398, 24960, 26112, 26520, 26616, 27456, 28160, 28288, 28834, 29172, 29920, 32640, 33270, 33280, 34320, 35360, 35488, 35904, 36465, 36597, 36608, 37706, 38896, 42240, 42432, 43251, 43520, 44360, 44880, 45760, 47872, 48620, 48796, 49920, 53040, 53232, 54912, 56559, 56576, 57668, 58344, 59840, 60995, 65280, 66540, 68640, 70720, 70976, 71808, 72085, 72930, 73194, 73216, 75412, 77792, 84480, 84864, 86502, 88720, 89760, 91520, 94265, 95744, 97240, 97592, 99840, 106080, 106464, 109824, 113118, 113152, 115336, 116688, 119680, 121990, 130560, 133080, 137280, 141440, 141952, 143616, 144170, 145860, 146388, 150824, 155584, 158587, 169728, 173004, 177440, 179520, 182985, 183040, 188530, 194480, 195184, 207383, 212160, 212928, 216255, 219648, 226236, 230672, 233376, 239360, 243980, 245089, 266160, 274560, 282795, 282880, 283904, 287232, 288340, 291720, 292776, 301648, 311168, 317174, 339456, 346008, 354880, 359040, 365970, 366080, 377060, 388960, 390368, 414766, 424320, 425856, 432510, 452472, 461344, 466752, 475761, 478720, 487960, 490178, 532320, 549120, 565590, 565760, 567808, 576680, 583440, 585552, 603296, 622149, 622336, 634348, 692016, 709760, 718080, 731940, 735267, 754120, 777920, 780736, 792935, 829532, 848640, 851712, 865020, 904944, 922688, 933504, 951522, 975920, 980356, 1036915, 1064640, 1098240, 1131180, 1153360, 1166880, 1171104, 1206592, 1225445, 1244298, 1244672, 1268696, 1384032, 1419520, 1436160, 1463880, 1470534, 1508240, 1555840, 1561472, 1585870, 1659064, 1697280, 1703424, 1730040, 1809888, 1845376, 1867008, 1903044, 1951840, 1960712, 2073830, 2129280, 2262360, 2306720, 2333760, 2342208, 2378805, 2413184, 2450890, 2488596, 2537392, 2695979, 2768064, 2839040, 2927760, 2941068, 3016480, 3110745, 3111680, 3122944, 3171740, 3318128, 3460080, 3619776, 3676335, 3690752, 3734016, 3806088, 3903680, 3921424, 4147660, 4258560, 4524720, 4613440, 4667520, 4684416, 4757610, 4826368, 4901780, 4977192, 5074784, 5391958, 5536128, 5855520, 5882136, 6032960, 6221490, 6223360, 6245888, 6343480, 6636256, 6920160, 7239552, 7352670, 7381504, 7612176, 7807360, 7842848, 8087937, 8295320, 8517120, 9049440, 9226880, 9335040, 9368832, 9515220, 9652736, 9803560, 9954384, 10149568, 10783916, 11072256, 11711040, 11764272, 12065920, 12442980, 12686960, 13272512, 13479895, 13840320, 14479104, 14705340, 15224352, 15614720, 15685696, 16175874, 16590640, 18098880, 18453760, 18670080, 18737664, 19030440, 19607120, 19908768, 20299136, 21567832, 22144512, 23422080, 23528544, 24131840, 24885960, 25373920, 26545024, 26959790, 27680640, 28958208, 29410680, 30448704, 31229440, 31371392, 32351748, 33181280, 36197760, 36907520, 38060880, 39214240, 39817536, 40439685, 40598272, 43135664, 46844160, 47057088, 48263680, 49771920, 50747840, 53090048, 53919580, 55361280, 58821360, 60897408, 62742784, 64703496, 66362560, 72395520, 76121760, 78428480, 79635072, 80879370, 81196544, 86271328, 93688320, 94114176, 99543840, 101495680, 106180096, 107839160, 110722560, 117642720, 121794816, 125485568, 129406992, 132725120, 144791040, 152243520, 156856960, 159270144, 161758740, 172542656, 188228352, 199087680, 202991360, 215678320, 235285440, 243589632, 258813984, 265450240, 304487040, 313713920, 318540288, 323517480, 345085312, 376456704, 398175360, 405982720, 431356640, 470570880, 517627968, 530900480, 608974080, 627427840, 647034960, 690170624, 796350720, 862713280, 941141760, 1035255936, 1217948160, 1294069920, 1380341248, 1592701440, 1725426560, 1882283520, 2070511872, 2588139840, 3450853120, 4141023744, 5176279680, 6901706240, 10352559360, 20705118720]

約数ペア:

[(1, 20705118720), (2, 10352559360), (3, 6901706240), (4, 5176279680), (5, 4141023744), (6, 3450853120), (8, 2588139840), (10, 2070511872), (11, 1882283520), (12, 1725426560), (13, 1592701440), (15, 1380341248), (16, 1294069920), (17, 1217948160), (20, 1035255936), (22, 941141760), (24, 862713280), (26, 796350720), (30, 690170624), (32, 647034960), (33, 627427840), (34, 608974080), (39, 530900480), (40, 517627968), (44, 470570880), (48, 431356640), (51, 405982720), (52, 398175360), (55, 376456704), (60, 345085312), (64, 323517480), (65, 318540288), (66, 313713920), (68, 304487040), (78, 265450240), (80, 258813984), (85, 243589632), (88, 235285440), (96, 215678320), (102, 202991360), (104, 199087680), (110, 188228352), (120, 172542656), (128, 161758740), (130, 159270144), (132, 156856960), (136, 152243520), (143, 144791040), (156, 132725120), (160, 129406992), (165, 125485568), (170, 121794816), (176, 117642720), (187, 110722560), (192, 107839160), (195, 106180096), (204, 101495680), (208, 99543840), (220, 94114176), (221, 93688320), (240, 86271328), (255, 81196544), (256, 80879370), (260, 79635072), (264, 78428480), (272, 76121760), (286, 72395520), (312, 66362560), (320, 64703496), (330, 62742784), (340, 60897408), (352, 58821360), (374, 55361280), (384, 53919580), (390, 53090048), (408, 50747840), (416, 49771920), (429, 48263680), (440, 47057088), (442, 46844160), (480, 43135664), (510, 40598272), (512, 40439685), (520, 39817536), (528, 39214240), (544, 38060880), (561, 36907520), (572, 36197760), (624, 33181280), (640, 32351748), (660, 31371392), (663, 31229440), (680, 30448704), (704, 29410680), (715, 28958208), (748, 27680640), (768, 26959790), (780, 26545024), (816, 25373920), (832, 24885960), (858, 24131840), (880, 23528544), (884, 23422080), (935, 22144512), (960, 21567832), (1020, 20299136), (1040, 19908768), (1056, 19607120), (1088, 19030440), (1105, 18737664), (1109, 18670080), (1122, 18453760), (1144, 18098880), (1248, 16590640), (1280, 16175874), (1320, 15685696), (1326, 15614720), (1360, 15224352), (1408, 14705340), (1430, 14479104), (1496, 13840320), (1536, 13479895), (1560, 13272512), (1632, 12686960), (1664, 12442980), (1716, 12065920), (1760, 11764272), (1768, 11711040), (1870, 11072256), (1920, 10783916), (2040, 10149568), (2080, 9954384), (2112, 9803560), (2145, 9652736), (2176, 9515220), (2210, 9368832), (2218, 9335040), (2244, 9226880), (2288, 9049440), (2431, 8517120), (2496, 8295320), (2560, 8087937), (2640, 7842848), (2652, 7807360), (2720, 7612176), (2805, 7381504), (2816, 7352670), (2860, 7239552), (2992, 6920160), (3120, 6636256), (3264, 6343480), (3315, 6245888), (3327, 6223360), (3328, 6221490), (3432, 6032960), (3520, 5882136), (3536, 5855520), (3740, 5536128), (3840, 5391958), (4080, 5074784), (4160, 4977192), (4224, 4901780), (4290, 4826368), (4352, 4757610), (4420, 4684416), (4436, 4667520), (4488, 4613440), (4576, 4524720), (4862, 4258560), (4992, 4147660), (5280, 3921424), (5304, 3903680), (5440, 3806088), (5545, 3734016), (5610, 3690752), (5632, 3676335), (5720, 3619776), (5984, 3460080), (6240, 3318128), (6528, 3171740), (6630, 3122944), (6654, 3111680), (6656, 3110745), (6864, 3016480), (7040, 2941068), (7072, 2927760), (7293, 2839040), (7480, 2768064), (7680, 2695979), (8160, 2537392), (8320, 2488596), (8448, 2450890), (8580, 2413184), (8704, 2378805), (8840, 2342208), (8872, 2333760), (8976, 2306720), (9152, 2262360), (9724, 2129280), (9984, 2073830), (10560, 1960712), (10608, 1951840), (10880, 1903044), (11090, 1867008), (11220, 1845376), (11440, 1809888), (11968, 1730040), (12155, 1703424), (12199, 1697280), (12480, 1659064), (13056, 1585870), (13260, 1561472), (13308, 1555840), (13728, 1508240), (14080, 1470534), (14144, 1463880), (14417, 1436160), (14586, 1419520), (14960, 1384032), (16320, 1268696), (16635, 1244672), (16640, 1244298), (16896, 1225445), (17160, 1206592), (17680, 1171104), (17744, 1166880), (17952, 1153360), (18304, 1131180), (18853, 1098240), (19448, 1064640), (19968, 1036915), (21120, 980356), (21216, 975920), (21760, 951522), (22180, 933504), (22440, 922688), (22880, 904944), (23936, 865020), (24310, 851712), (24398, 848640), (24960, 829532), (26112, 792935), (26520, 780736), (26616, 777920), (27456, 754120), (28160, 735267), (28288, 731940), (28834, 718080), (29172, 709760), (29920, 692016), (32640, 634348), (33270, 622336), (33280, 622149), (34320, 603296), (35360, 585552), (35488, 583440), (35904, 576680), (36465, 567808), (36597, 565760), (36608, 565590), (37706, 549120), (38896, 532320), (42240, 490178), (42432, 487960), (43251, 478720), (43520, 475761), (44360, 466752), (44880, 461344), (45760, 452472), (47872, 432510), (48620, 425856), (48796, 424320), (49920, 414766), (53040, 390368), (53232, 388960), (54912, 377060), (56559, 366080), (56576, 365970), (57668, 359040), (58344, 354880), (59840, 346008), (60995, 339456), (65280, 317174), (66540, 311168), (68640, 301648), (70720, 292776), (70976, 291720), (71808, 288340), (72085, 287232), (72930, 283904), (73194, 282880), (73216, 282795), (75412, 274560), (77792, 266160), (84480, 245089), (84864, 243980), (86502, 239360), (88720, 233376), (89760, 230672), (91520, 226236), (94265, 219648), (95744, 216255), (97240, 212928), (97592, 212160), (99840, 207383), (106080, 195184), (106464, 194480), (109824, 188530), (113118, 183040), (113152, 182985), (115336, 179520), (116688, 177440), (119680, 173004), (121990, 169728), (130560, 158587), (133080, 155584), (137280, 150824), (141440, 146388), (141952, 145860), (143616, 144170)]