81471951360

素因数分解:

$2^9\times 3^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:231

約数の個数: 960

約数和(自身を含む): 315831035520

約数和(自身を除く): 234359084160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 61, 64, 72, 76, 80, 81, 90, 95, 96, 108, 113, 114, 120, 122, 128, 135, 144, 152, 160, 162, 171, 180, 183, 190, 192, 216, 226, 228, 240, 243, 244, 256, 270, 285, 288, 304, 305, 320, 324, 339, 342, 360, 366, 380, 384, 405, 432, 452, 456, 480, 486, 488, 512, 513, 540, 549, 565, 570, 576, 608, 610, 640, 648, 678, 684, 720, 732, 760, 768, 810, 855, 864, 904, 912, 915, 960, 972, 976, 1017, 1026, 1080, 1098, 1130, 1140, 1152, 1159, 1215, 1216, 1220, 1280, 1296, 1356, 1368, 1440, 1464, 1520, 1536, 1539, 1620, 1647, 1695, 1710, 1728, 1808, 1824, 1830, 1920, 1944, 1952, 2034, 2052, 2147, 2160, 2196, 2260, 2280, 2304, 2318, 2430, 2432, 2440, 2560, 2565, 2592, 2712, 2736, 2745, 2880, 2928, 3040, 3051, 3078, 3240, 3294, 3390, 3420, 3456, 3477, 3616, 3648, 3660, 3840, 3888, 3904, 4068, 4104, 4294, 4320, 4392, 4520, 4560, 4608, 4617, 4636, 4860, 4864, 4880, 4941, 5085, 5130, 5184, 5424, 5472, 5490, 5760, 5795, 5856, 6080, 6102, 6156, 6441, 6480, 6588, 6780, 6840, 6893, 6912, 6954, 7232, 7296, 7320, 7680, 7695, 7776, 7808, 8136, 8208, 8235, 8588, 8640, 8784, 9040, 9120, 9153, 9234, 9272, 9720, 9728, 9760, 9882, 10170, 10260, 10368, 10431, 10735, 10848, 10944, 10980, 11520, 11590, 11712, 12160, 12204, 12312, 12882, 12960, 13176, 13560, 13680, 13786, 13824, 13908, 14464, 14592, 14640, 14823, 15255, 15390, 15552, 15616, 16272, 16416, 16470, 17176, 17280, 17385, 17568, 18080, 18240, 18306, 18468, 18544, 19323, 19440, 19520, 19764, 20340, 20520, 20679, 20736, 20862, 21470, 21696, 21888, 21960, 23040, 23085, 23180, 23424, 24320, 24408, 24624, 24705, 25764, 25920, 26352, 27120, 27360, 27459, 27572, 27816, 28928, 29184, 29280, 29646, 30510, 30780, 31104, 31232, 31293, 32205, 32544, 32832, 32940, 34352, 34465, 34560, 34770, 35136, 36160, 36480, 36612, 36936, 37088, 38646, 38880, 39040, 39528, 40680, 41040, 41358, 41472, 41724, 42940, 43392, 43776, 43920, 45765, 46170, 46360, 46848, 48640, 48816, 49248, 49410, 51528, 51840, 52155, 52704, 54240, 54720, 54918, 55144, 55632, 57856, 57969, 58560, 59292, 61020, 61560, 62037, 62208, 62586, 64410, 65088, 65664, 65880, 68704, 68930, 69120, 69540, 70272, 72320, 72960, 73224, 73872, 74115, 74176, 77292, 77760, 78080, 79056, 81360, 82080, 82716, 83448, 85880, 86784, 87552, 87840, 91530, 92340, 92720, 93696, 93879, 96615, 97632, 98496, 98820, 103056, 103395, 103680, 104310, 105408, 108480, 109440, 109836, 110288, 111264, 115938, 117120, 118584, 122040, 123120, 124074, 124416, 125172, 128820, 130176, 130967, 131328, 131760, 137295, 137408, 137860, 139080, 140544, 144640, 145920, 146448, 147744, 148230, 148352, 154584, 155520, 156160, 156465, 158112, 162720, 164160, 165432, 166896, 171760, 173568, 173907, 175680, 183060, 184680, 185440, 186111, 187758, 193230, 195264, 196992, 197640, 206112, 206790, 207360, 208620, 210816, 216960, 218880, 219672, 220576, 222528, 231876, 234240, 237168, 244080, 246240, 248148, 250344, 257640, 260352, 261934, 262656, 263520, 274590, 274816, 275720, 278160, 281088, 281637, 289280, 289845, 292896, 295488, 296460, 296704, 309168, 310185, 311040, 312930, 316224, 325440, 328320, 330864, 333792, 343520, 347814, 351360, 366120, 369360, 370880, 372222, 375516, 386460, 390528, 392901, 393984, 395280, 412224, 413580, 417240, 421632, 433920, 437760, 439344, 441152, 445056, 463752, 468480, 469395, 474336, 488160, 492480, 496296, 500688, 515280, 520704, 521721, 523868, 527040, 549180, 549632, 551440, 556320, 558333, 563274, 579690, 585792, 590976, 592920, 593408, 618336, 620370, 622080, 625860, 632448, 650880, 654835, 656640, 661728, 667584, 687040, 695628, 702720, 732240, 738720, 741760, 744444, 751032, 772920, 781056, 785802, 787968, 790560, 824448, 827160, 834480, 843264, 867840, 869535, 878688, 882304, 890112, 927504, 930555, 938790, 948672, 976320, 984960, 992592, 1001376, 1030560, 1043442, 1047736, 1054080, 1098360, 1099264, 1102880, 1112640, 1116666, 1126548, 1159380, 1171584, 1178703, 1181952, 1185840, 1236672, 1240740, 1251720, 1264896, 1301760, 1309670, 1313280, 1323456, 1335168, 1374080, 1391256, 1405440, 1408185, 1464480, 1477440, 1483520, 1488888, 1502064, 1545840, 1562112, 1571604, 1581120, 1648896, 1654320, 1668960, 1674999, 1739070, 1757376, 1764608, 1780224, 1855008, 1861110, 1877580, 1897344, 1952640, 1964505, 1969920, 1985184, 2002752, 2061120, 2086884, 2095472, 2108160, 2196720, 2205760, 2225280, 2233332, 2253096, 2318760, 2343168, 2357406, 2363904, 2371680, 2473344, 2481480, 2503440, 2529792, 2603520, 2608605, 2619340, 2646912, 2670336, 2748160, 2782512, 2791665, 2816370, 2928960, 2954880, 2967040, 2977776, 3004128, 3091680, 3143208, 3162240, 3297792, 3308640, 3337920, 3349998, 3478140, 3514752, 3529216, 3536109, 3710016, 3722220, 3755160, 3794688, 3905280, 3929010, 3939840, 3970368, 4005504, 4122240, 4173768, 4190944, 4216320, 4393440, 4411520, 4450560, 4466664, 4506192, 4637520, 4686336, 4714812, 4743360, 4946688, 4962960, 5006880, 5217210, 5238680, 5293824, 5340672, 5496320, 5565024, 5583330, 5632740, 5857920, 5893515, 5909760, 5955552, 6008256, 6183360, 6286416, 6324480, 6617280, 6675840, 6699996, 6956280, 7029504, 7072218, 7420032, 7444440, 7510320, 7589376, 7810560, 7858020, 7940736, 8011008, 8244480, 8347536, 8374995, 8381888, 8786880, 8823040, 8901120, 8933328, 9012384, 9275040, 9429624, 9486720, 9893376, 9925920, 10013760, 10434420, 10477360, 10587648, 10608327, 11130048, 11166660, 11265480, 11715840, 11787030, 11819520, 11911104, 12016512, 12366720, 12572832, 12648960, 13234560, 13351680, 13399992, 13912560, 14059008, 14144436, 14840064, 14888880, 15020640, 15716040, 15881472, 16022016, 16488960, 16695072, 16749990, 16763776, 17573760, 17646080, 17680545, 17866656, 18024768, 18550080, 18859248, 18973440, 19851840, 20027520, 20868840, 20954720, 21216654, 22260096, 22333320, 22530960, 23431680, 23574060, 23822208, 24033024, 24733440, 25145664, 26469120, 26703360, 26799984, 27825120, 28288872, 29680128, 29777760, 30041280, 31432080, 31762944, 31824981, 33390144, 33499980, 33527552, 35147520, 35361090, 35733312, 36049536, 37100160, 37718496, 37946880, 39703680, 40055040, 41737680, 41909440, 42433308, 44520192, 44666640, 45061920, 47148120, 47644416, 48066048, 49466880, 50291328, 52938240, 53041635, 53599968, 55650240, 56577744, 59555520, 60082560, 62864160, 63649962, 66780288, 66999960, 67055104, 70295040, 70722180, 71466624, 72099072, 74200320, 75436992, 79407360, 80110080, 83475360, 83818880, 84866616, 89040384, 89333280, 90123840, 94296240, 95288832, 100582656, 106083270, 107199936, 111300480, 113155488, 119111040, 120165120, 125728320, 127299924, 133560576, 133999920, 141444360, 142933248, 144198144, 148400640, 150873984, 158814720, 159124905, 166950720, 167637760, 169733232, 178666560, 180247680, 188592480, 201165312, 212166540, 214399872, 222600960, 226310976, 238222080, 240330240, 251456640, 254599848, 267121152, 267999840, 282888720, 285866496, 301747968, 318249810, 333901440, 335275520, 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約数ペア:

[(1, 81471951360), (2, 40735975680), (3, 27157317120), (4, 20367987840), (5, 16294390272), (6, 13578658560), (8, 10183993920), (9, 9052439040), (10, 8147195136), (12, 6789329280), (15, 5431463424), (16, 5091996960), (18, 4526219520), (19, 4287997440), (20, 4073597568), (24, 3394664640), (27, 3017479680), (30, 2715731712), (32, 2545998480), (36, 2263109760), (38, 2143998720), (40, 2036798784), (45, 1810487808), (48, 1697332320), (54, 1508739840), (57, 1429332480), (60, 1357865856), (61, 1335605760), (64, 1272999240), (72, 1131554880), (76, 1071999360), (80, 1018399392), (81, 1005826560), (90, 905243904), (95, 857599488), (96, 848666160), (108, 754369920), (113, 720990720), (114, 714666240), (120, 678932928), (122, 667802880), (128, 636499620), (135, 603495936), (144, 565777440), (152, 535999680), (160, 509199696), (162, 502913280), (171, 476444160), (180, 452621952), (183, 445201920), (190, 428799744), (192, 424333080), (216, 377184960), (226, 360495360), (228, 357333120), (240, 339466464), (243, 335275520), (244, 333901440), (256, 318249810), (270, 301747968), (285, 285866496), (288, 282888720), (304, 267999840), (305, 267121152), (320, 254599848), (324, 251456640), (339, 240330240), (342, 238222080), (360, 226310976), (366, 222600960), (380, 214399872), (384, 212166540), (405, 201165312), (432, 188592480), (452, 180247680), (456, 178666560), (480, 169733232), (486, 167637760), (488, 166950720), (512, 159124905), (513, 158814720), (540, 150873984), (549, 148400640), (565, 144198144), (570, 142933248), (576, 141444360), (608, 133999920), (610, 133560576), (640, 127299924), (648, 125728320), (678, 120165120), (684, 119111040), (720, 113155488), (732, 111300480), (760, 107199936), (768, 106083270), (810, 100582656), (855, 95288832), (864, 94296240), (904, 90123840), (912, 89333280), (915, 89040384), (960, 84866616), (972, 83818880), (976, 83475360), (1017, 80110080), (1026, 79407360), (1080, 75436992), (1098, 74200320), (1130, 72099072), (1140, 71466624), (1152, 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(3660, 22260096), (3840, 21216654), (3888, 20954720), (3904, 20868840), (4068, 20027520), (4104, 19851840), (4294, 18973440), (4320, 18859248), (4392, 18550080), (4520, 18024768), (4560, 17866656), (4608, 17680545), (4617, 17646080), (4636, 17573760), (4860, 16763776), (4864, 16749990), (4880, 16695072), (4941, 16488960), (5085, 16022016), (5130, 15881472), (5184, 15716040), (5424, 15020640), (5472, 14888880), (5490, 14840064), (5760, 14144436), (5795, 14059008), (5856, 13912560), (6080, 13399992), (6102, 13351680), (6156, 13234560), (6441, 12648960), (6480, 12572832), (6588, 12366720), (6780, 12016512), (6840, 11911104), (6893, 11819520), (6912, 11787030), (6954, 11715840), (7232, 11265480), (7296, 11166660), (7320, 11130048), (7680, 10608327), (7695, 10587648), (7776, 10477360), (7808, 10434420), (8136, 10013760), (8208, 9925920), (8235, 9893376), (8588, 9486720), (8640, 9429624), (8784, 9275040), (9040, 9012384), (9120, 8933328), (9153, 8901120), (9234, 8823040), (9272, 8786880), (9720, 8381888), (9728, 8374995), (9760, 8347536), (9882, 8244480), (10170, 8011008), (10260, 7940736), (10368, 7858020), (10431, 7810560), (10735, 7589376), (10848, 7510320), (10944, 7444440), (10980, 7420032), (11520, 7072218), (11590, 7029504), (11712, 6956280), (12160, 6699996), (12204, 6675840), (12312, 6617280), (12882, 6324480), (12960, 6286416), (13176, 6183360), (13560, 6008256), (13680, 5955552), (13786, 5909760), (13824, 5893515), (13908, 5857920), (14464, 5632740), (14592, 5583330), (14640, 5565024), (14823, 5496320), (15255, 5340672), (15390, 5293824), (15552, 5238680), (15616, 5217210), (16272, 5006880), (16416, 4962960), (16470, 4946688), (17176, 4743360), (17280, 4714812), (17385, 4686336), (17568, 4637520), (18080, 4506192), (18240, 4466664), (18306, 4450560), (18468, 4411520), (18544, 4393440), (19323, 4216320), (19440, 4190944), (19520, 4173768), (19764, 4122240), (20340, 4005504), (20520, 3970368), (20679, 3939840), (20736, 3929010), (20862, 3905280), (21470, 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(45765, 1780224), (46170, 1764608), (46360, 1757376), (46848, 1739070), (48640, 1674999), (48816, 1668960), (49248, 1654320), (49410, 1648896), (51528, 1581120), (51840, 1571604), (52155, 1562112), (52704, 1545840), (54240, 1502064), (54720, 1488888), (54918, 1483520), (55144, 1477440), (55632, 1464480), (57856, 1408185), (57969, 1405440), (58560, 1391256), (59292, 1374080), (61020, 1335168), (61560, 1323456), (62037, 1313280), (62208, 1309670), (62586, 1301760), (64410, 1264896), (65088, 1251720), (65664, 1240740), (65880, 1236672), (68704, 1185840), (68930, 1181952), (69120, 1178703), (69540, 1171584), (70272, 1159380), (72320, 1126548), (72960, 1116666), (73224, 1112640), (73872, 1102880), (74115, 1099264), (74176, 1098360), (77292, 1054080), (77760, 1047736), (78080, 1043442), (79056, 1030560), (81360, 1001376), (82080, 992592), (82716, 984960), (83448, 976320), (85880, 948672), (86784, 938790), (87552, 930555), (87840, 927504), (91530, 890112), (92340, 882304), (92720, 878688), (93696, 869535), (93879, 867840), (96615, 843264), (97632, 834480), (98496, 827160), (98820, 824448), (103056, 790560), (103395, 787968), (103680, 785802), (104310, 781056), (105408, 772920), (108480, 751032), (109440, 744444), (109836, 741760), (110288, 738720), (111264, 732240), (115938, 702720), (117120, 695628), (118584, 687040), (122040, 667584), (123120, 661728), (124074, 656640), (124416, 654835), (125172, 650880), (128820, 632448), (130176, 625860), (130967, 622080), (131328, 620370), (131760, 618336), (137295, 593408), (137408, 592920), (137860, 590976), (139080, 585792), (140544, 579690), (144640, 563274), (145920, 558333), (146448, 556320), (147744, 551440), (148230, 549632), (148352, 549180), (154584, 527040), (155520, 523868), (156160, 521721), (156465, 520704), (158112, 515280), (162720, 500688), (164160, 496296), (165432, 492480), (166896, 488160), (171760, 474336), (173568, 469395), (173907, 468480), (175680, 463752), (183060, 445056), (184680, 441152), (185440, 439344), (186111, 437760), (187758, 433920), (193230, 421632), (195264, 417240), (196992, 413580), (197640, 412224), (206112, 395280), (206790, 393984), (207360, 392901), (208620, 390528), (210816, 386460), (216960, 375516), (218880, 372222), (219672, 370880), (220576, 369360), (222528, 366120), (231876, 351360), (234240, 347814), (237168, 343520), (244080, 333792), (246240, 330864), (248148, 328320), (250344, 325440), (257640, 316224), (260352, 312930), (261934, 311040), (262656, 310185), (263520, 309168), (274590, 296704), (274816, 296460), (275720, 295488), (278160, 292896), (281088, 289845), (281637, 289280)]