20856165120

素因数分解:

$2^8\times 3^6\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:180

約数の個数: 1008

約数和(自身を含む): 89220698112

約数和(自身を除く): 68364532992

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 31, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 62, 63, 64, 70, 72, 80, 81, 84, 90, 93, 96, 103, 105, 108, 112, 120, 124, 126, 128, 135, 140, 144, 155, 160, 162, 168, 180, 186, 189, 192, 206, 210, 216, 217, 224, 240, 243, 248, 252, 256, 270, 279, 280, 288, 309, 310, 315, 320, 324, 336, 360, 372, 378, 384, 405, 412, 420, 432, 434, 448, 465, 480, 486, 496, 504, 515, 540, 558, 560, 567, 576, 618, 620, 630, 640, 648, 651, 672, 720, 721, 729, 744, 756, 768, 810, 824, 837, 840, 864, 868, 896, 927, 930, 945, 960, 972, 992, 1008, 1030, 1080, 1085, 1116, 1120, 1134, 1152, 1215, 1236, 1240, 1260, 1280, 1296, 1302, 1344, 1395, 1440, 1442, 1458, 1488, 1512, 1545, 1620, 1648, 1674, 1680, 1701, 1728, 1736, 1792, 1854, 1860, 1890, 1920, 1944, 1953, 1984, 2016, 2060, 2160, 2163, 2170, 2232, 2240, 2268, 2304, 2430, 2472, 2480, 2511, 2520, 2592, 2604, 2688, 2781, 2790, 2835, 2880, 2884, 2916, 2976, 3024, 3090, 3193, 3240, 3255, 3296, 3348, 3360, 3402, 3456, 3472, 3605, 3645, 3708, 3720, 3780, 3840, 3888, 3906, 3968, 4032, 4120, 4185, 4320, 4326, 4340, 4464, 4480, 4536, 4635, 4860, 4944, 4960, 5022, 5040, 5103, 5184, 5208, 5376, 5562, 5580, 5670, 5760, 5768, 5832, 5859, 5952, 6048, 6180, 6386, 6480, 6489, 6510, 6592, 6696, 6720, 6804, 6912, 6944, 7210, 7290, 7416, 7440, 7533, 7560, 7776, 7812, 7936, 8064, 8240, 8343, 8370, 8505, 8640, 8652, 8680, 8928, 8960, 9072, 9270, 9579, 9720, 9765, 9888, 9920, 10044, 10080, 10206, 10368, 10416, 10815, 11124, 11160, 11340, 11520, 11536, 11664, 11718, 11904, 12096, 12360, 12555, 12772, 12960, 12978, 13020, 13184, 13392, 13440, 13608, 13888, 13905, 14420, 14580, 14832, 14880, 15066, 15120, 15552, 15624, 15965, 16128, 16480, 16686, 16740, 17010, 17280, 17304, 17360, 17577, 17856, 18144, 18540, 19158, 19440, 19467, 19530, 19776, 19840, 20088, 20160, 20412, 20736, 20832, 21630, 22248, 22320, 22351, 22599, 22680, 23072, 23328, 23436, 23808, 24192, 24720, 25029, 25110, 25515, 25544, 25920, 25956, 26040, 26368, 26784, 26880, 27216, 27776, 27810, 28737, 28840, 29160, 29295, 29664, 29760, 30132, 30240, 31104, 31248, 31930, 32445, 32960, 33372, 33480, 34020, 34560, 34608, 34720, 35154, 35712, 36288, 37080, 37665, 38316, 38880, 38934, 39060, 39552, 39680, 40176, 40320, 40824, 41664, 41715, 43260, 44496, 44640, 44702, 45198, 45360, 46144, 46656, 46872, 47895, 48384, 49440, 50058, 50220, 51030, 51088, 51840, 51912, 52080, 52731, 53568, 54432, 55552, 55620, 57474, 57680, 58320, 58401, 58590, 59328, 59520, 60264, 60480, 62208, 62496, 63860, 64890, 65920, 66744, 66960, 67053, 68040, 69216, 69440, 70308, 71424, 72576, 74160, 75087, 75330, 76632, 77760, 77868, 78120, 79104, 80352, 80640, 81648, 83328, 83430, 86211, 86520, 87885, 88992, 89280, 89404, 90396, 90720, 92288, 93312, 93744, 95790, 97335, 98880, 100116, 100440, 102060, 102176, 103680, 103824, 104160, 105462, 107136, 108864, 111240, 111755, 112995, 114948, 115360, 116640, 116802, 117180, 118656, 119040, 120528, 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510880, 517266, 519120, 525609, 527310, 533952, 535680, 536424, 544320, 553728, 562464, 574740, 584010, 593280, 600696, 602640, 603477, 613056, 622944, 624960, 632772, 642816, 653184, 667440, 670530, 689688, 692160, 700812, 703080, 711936, 715232, 723168, 725760, 749952, 750870, 766320, 775899, 778680, 790965, 800928, 803520, 804636, 816480, 817408, 830592, 833280, 843696, 862110, 876015, 889920, 894040, 903960, 919584, 922880, 933120, 934416, 937440, 964224, 1001160, 1005795, 1021760, 1034532, 1038240, 1051218, 1054620, 1067904, 1071360, 1072848, 1088640, 1124928, 1149480, 1168020, 1186560, 1201392, 1205280, 1206954, 1226112, 1245888, 1249920, 1265544, 1293165, 1306368, 1334880, 1341060, 1379376, 1384320, 1401624, 1406160, 1430464, 1446336, 1499904, 1501740, 1532640, 1551798, 1557360, 1581930, 1601856, 1607040, 1609272, 1632960, 1661184, 1687392, 1724220, 1752030, 1779840, 1788080, 1807920, 1810431, 1839168, 1868832, 1874880, 1928448, 2002320, 2011590, 2043520, 2069064, 2076480, 2102436, 2109240, 2135808, 2145696, 2177280, 2249856, 2298960, 2327697, 2336040, 2402784, 2410560, 2413908, 2452224, 2491776, 2499840, 2531088, 2586330, 2628045, 2669760, 2682120, 2758752, 2768640, 2803248, 2812320, 2860928, 2892672, 3003480, 3017385, 3065280, 3103596, 3114720, 3163860, 3203712, 3214080, 3218544, 3265920, 3374784, 3448440, 3504060, 3559680, 3576160, 3615840, 3620862, 3678336, 3737664, 3749760, 3879495, 4004640, 4023180, 4087040, 4138128, 4152960, 4204872, 4218480, 4291392, 4499712, 4597920, 4655394, 4672080, 4805568, 4821120, 4827816, 4983552, 5062176, 5172660, 5256090, 5339520, 5364240, 5431293, 5517504, 5606496, 5624640, 5721856, 5785344, 6006960, 6034770, 6130560, 6207192, 6229440, 6327720, 6407424, 6437088, 6531840, 6749568, 6896880, 7008120, 7152320, 7231680, 7241724, 7356672, 7475328, 7499520, 7758990, 8009280, 8046360, 8276256, 8305920, 8409744, 8436960, 8582784, 9052155, 9195840, 9310788, 9344160, 9611136, 9642240, 9655632, 10124352, 10345320, 10512180, 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約数ペア:

[(1, 20856165120), (2, 10428082560), (3, 6952055040), (4, 5214041280), (5, 4171233024), (6, 3476027520), (7, 2979452160), (8, 2607020640), (9, 2317351680), (10, 2085616512), (12, 1738013760), (14, 1489726080), (15, 1390411008), (16, 1303510320), (18, 1158675840), (20, 1042808256), (21, 993150720), (24, 869006880), (27, 772450560), (28, 744863040), (30, 695205504), (31, 672779520), (32, 651755160), (35, 595890432), (36, 579337920), (40, 521404128), (42, 496575360), (45, 463470336), (48, 434503440), (54, 386225280), (56, 372431520), (60, 347602752), (62, 336389760), (63, 331050240), (64, 325877580), (70, 297945216), (72, 289668960), (80, 260702064), (81, 257483520), (84, 248287680), (90, 231735168), (93, 224259840), (96, 217251720), (103, 202487040), (105, 198630144), (108, 193112640), (112, 186215760), (120, 173801376), (124, 168194880), (126, 165525120), (128, 162938790), (135, 154490112), (140, 148972608), (144, 144834480), (155, 134555904), (160, 130351032), (162, 128741760), (168, 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27156465), (810, 25748352), (824, 25310880), (837, 24917760), (840, 24828768), (864, 24139080), (868, 24027840), (896, 23276970), (927, 22498560), (930, 22425984), (945, 22070016), (960, 21725172), (972, 21456960), (992, 21024360), (1008, 20690640), (1030, 20248704), (1080, 19311264), (1085, 19222272), (1116, 18688320), (1120, 18621576), (1134, 18391680), (1152, 18104310), (1215, 17165568), (1236, 16873920), (1240, 16819488), (1260, 16552512), (1280, 16293879), (1296, 16092720), (1302, 16018560), (1344, 15517980), (1395, 14950656), (1440, 14483448), (1442, 14463360), (1458, 14304640), (1488, 14016240), (1512, 13793760), (1545, 13499136), (1620, 12874176), (1648, 12655440), (1674, 12458880), (1680, 12414384), (1701, 12261120), (1728, 12069540), (1736, 12013920), (1792, 11638485), (1854, 11249280), (1860, 11212992), (1890, 11035008), (1920, 10862586), (1944, 10728480), (1953, 10679040), (1984, 10512180), (2016, 10345320), (2060, 10124352), (2160, 9655632), (2163, 9642240), (2170, 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(5562, 3749760), (5580, 3737664), (5670, 3678336), (5760, 3620862), (5768, 3615840), (5832, 3576160), (5859, 3559680), (5952, 3504060), (6048, 3448440), (6180, 3374784), (6386, 3265920), (6480, 3218544), (6489, 3214080), (6510, 3203712), (6592, 3163860), (6696, 3114720), (6720, 3103596), (6804, 3065280), (6912, 3017385), (6944, 3003480), (7210, 2892672), (7290, 2860928), (7416, 2812320), (7440, 2803248), (7533, 2768640), (7560, 2758752), (7776, 2682120), (7812, 2669760), (7936, 2628045), (8064, 2586330), (8240, 2531088), (8343, 2499840), (8370, 2491776), (8505, 2452224), (8640, 2413908), (8652, 2410560), (8680, 2402784), (8928, 2336040), (8960, 2327697), (9072, 2298960), (9270, 2249856), (9579, 2177280), (9720, 2145696), (9765, 2135808), (9888, 2109240), (9920, 2102436), (10044, 2076480), (10080, 2069064), (10206, 2043520), (10368, 2011590), (10416, 2002320), (10815, 1928448), (11124, 1874880), (11160, 1868832), (11340, 1839168), (11520, 1810431), (11536, 1807920), (11664, 1788080), (11718, 1779840), (11904, 1752030), (12096, 1724220), (12360, 1687392), (12555, 1661184), (12772, 1632960), (12960, 1609272), (12978, 1607040), (13020, 1601856), (13184, 1581930), (13392, 1557360), (13440, 1551798), (13608, 1532640), (13888, 1501740), (13905, 1499904), (14420, 1446336), (14580, 1430464), (14832, 1406160), (14880, 1401624), (15066, 1384320), (15120, 1379376), (15552, 1341060), (15624, 1334880), (15965, 1306368), (16128, 1293165), (16480, 1265544), (16686, 1249920), (16740, 1245888), (17010, 1226112), (17280, 1206954), (17304, 1205280), (17360, 1201392), (17577, 1186560), (17856, 1168020), (18144, 1149480), (18540, 1124928), (19158, 1088640), (19440, 1072848), (19467, 1071360), (19530, 1067904), (19776, 1054620), (19840, 1051218), (20088, 1038240), (20160, 1034532), (20412, 1021760), (20736, 1005795), (20832, 1001160), (21630, 964224), (22248, 937440), (22320, 934416), (22351, 933120), (22599, 922880), (22680, 919584), (23072, 903960), (23328, 894040), (23436, 889920), (23808, 876015), (24192, 862110), (24720, 843696), (25029, 833280), (25110, 830592), (25515, 817408), (25544, 816480), (25920, 804636), (25956, 803520), (26040, 800928), (26368, 790965), (26784, 778680), (26880, 775899), (27216, 766320), (27776, 750870), (27810, 749952), (28737, 725760), (28840, 723168), (29160, 715232), (29295, 711936), (29664, 703080), (29760, 700812), (30132, 692160), (30240, 689688), (31104, 670530), (31248, 667440), (31930, 653184), (32445, 642816), (32960, 632772), (33372, 624960), (33480, 622944), (34020, 613056), (34560, 603477), (34608, 602640), (34720, 600696), (35154, 593280), (35712, 584010), (36288, 574740), (37080, 562464), (37665, 553728), (38316, 544320), (38880, 536424), (38934, 535680), (39060, 533952), (39552, 527310), (39680, 525609), (40176, 519120), (40320, 517266), (40824, 510880), (41664, 500580), (41715, 499968), (43260, 482112), (44496, 468720), (44640, 467208), (44702, 466560), (45198, 461440), (45360, 459792), (46144, 451980), (46656, 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(90396, 230720), (90720, 229896), (92288, 225990), (93312, 223510), (93744, 222480), (95790, 217728), (97335, 214272), (98880, 210924), (100116, 208320), (100440, 207648), (102060, 204352), (102176, 204120), (103680, 201159), (103824, 200880), (104160, 200232), (105462, 197760), (107136, 194670), (108864, 191580), (111240, 187488), (111755, 186624), (112995, 184576), (114948, 181440), (115360, 180792), (116640, 178808), (116802, 178560), (117180, 177984), (118656, 175770), (119040, 175203), (120528, 173040), (120960, 172422), (124992, 166860), (125145, 166656), (127720, 163296), (129780, 160704), (131840, 158193), (133488, 156240), (133920, 155736), (134106, 155520), (136080, 153264), (138432, 150660), (138880, 150174), (140616, 148320), (143685, 145152)]