20715448320

素因数分解:

$2^{11}\times 3^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1$

素因数の和:400

約数の個数: 576

約数和(自身を含む): 82975052160

約数和(自身を除く): 62259603840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 163, 168, 180, 192, 197, 210, 224, 240, 252, 256, 280, 288, 315, 320, 326, 336, 360, 384, 394, 420, 448, 480, 489, 504, 512, 560, 576, 591, 630, 640, 652, 672, 720, 768, 788, 815, 840, 896, 960, 978, 985, 1008, 1024, 1120, 1141, 1152, 1182, 1260, 1280, 1304, 1344, 1379, 1440, 1467, 1536, 1576, 1630, 1680, 1773, 1792, 1920, 1956, 1970, 2016, 2048, 2240, 2282, 2304, 2364, 2445, 2520, 2560, 2608, 2688, 2758, 2880, 2934, 2955, 3072, 3152, 3260, 3360, 3423, 3546, 3584, 3840, 3912, 3940, 4032, 4137, 4480, 4564, 4608, 4728, 4890, 5040, 5120, 5216, 5376, 5516, 5705, 5760, 5868, 5910, 6144, 6304, 6520, 6720, 6846, 6895, 7092, 7168, 7335, 7680, 7824, 7880, 8064, 8274, 8865, 8960, 9128, 9216, 9456, 9780, 10080, 10240, 10269, 10432, 10752, 11032, 11410, 11520, 11736, 11820, 12411, 12608, 13040, 13440, 13692, 13790, 14184, 14336, 14670, 15360, 15648, 15760, 16128, 16548, 17115, 17730, 17920, 18256, 18432, 18912, 19560, 20160, 20538, 20685, 20864, 21504, 22064, 22820, 23040, 23472, 23640, 24822, 25216, 26080, 26880, 27384, 27580, 28368, 29340, 30720, 31296, 31520, 32111, 32256, 33096, 34230, 35460, 35840, 36512, 37824, 39120, 40320, 41076, 41370, 41728, 43008, 44128, 45640, 46080, 46944, 47280, 49644, 50432, 51345, 52160, 53760, 54768, 55160, 56736, 58680, 62055, 62592, 63040, 64222, 64512, 66192, 68460, 70920, 71680, 73024, 75648, 78240, 80640, 82152, 82740, 83456, 88256, 91280, 92160, 93888, 94560, 96333, 99288, 100864, 102690, 104320, 107520, 109536, 110320, 113472, 117360, 124110, 125184, 126080, 128444, 129024, 132384, 136920, 141840, 146048, 151296, 156480, 160555, 161280, 164304, 165480, 166912, 176512, 182560, 187776, 189120, 192666, 198576, 201728, 205380, 208640, 215040, 219072, 220640, 224777, 226944, 234720, 248220, 250368, 252160, 256888, 264768, 273840, 283680, 288999, 292096, 302592, 312960, 321110, 322560, 328608, 330960, 333824, 353024, 365120, 375552, 378240, 385332, 397152, 403456, 410760, 417280, 438144, 441280, 449554, 453888, 469440, 481665, 496440, 500736, 504320, 513776, 529536, 547680, 567360, 577998, 584192, 605184, 625920, 642220, 645120, 657216, 661920, 674331, 706048, 730240, 751104, 756480, 770664, 794304, 821520, 834560, 876288, 882560, 899108, 907776, 938880, 963330, 992880, 1001472, 1008640, 1027552, 1059072, 1095360, 1123885, 1134720, 1155996, 1168384, 1210368, 1251840, 1284440, 1314432, 1323840, 1348662, 1412096, 1444995, 1460480, 1502208, 1512960, 1541328, 1588608, 1643040, 1669120, 1752576, 1765120, 1798216, 1815552, 1877760, 1926660, 1985760, 2017280, 2022993, 2055104, 2118144, 2190720, 2247770, 2269440, 2311992, 2336768, 2503680, 2568880, 2628864, 2647680, 2697324, 2824192, 2889990, 2920960, 3004416, 3025920, 3082656, 3177216, 3286080, 3371655, 3505152, 3530240, 3596432, 3631104, 3755520, 3853320, 3971520, 4045986, 4110208, 4236288, 4381440, 4495540, 4538880, 4623984, 5007360, 5137760, 5257728, 5295360, 5394648, 5779980, 5841920, 6051840, 6165312, 6354432, 6572160, 6743310, 7010304, 7060480, 7192864, 7511040, 7706640, 7943040, 8091972, 8220416, 8472576, 8762880, 8991080, 9077760, 9247968, 10114965, 10275520, 10515456, 10590720, 10789296, 11559960, 11683840, 12330624, 12708864, 13144320, 13486620, 14120960, 14385728, 15022080, 15413280, 15886080, 16183944, 16440832, 17525760, 17982160, 18155520, 18495936, 20229930, 20551040, 21030912, 21181440, 21578592, 23119920, 24661248, 25417728, 26288640, 26973240, 28771456, 30826560, 31772160, 32367888, 32881664, 35051520, 35964320, 36991872, 40459860, 41102080, 42362880, 43157184, 46239840, 49322496, 52577280, 53946480, 57542912, 61653120, 63544320, 64735776, 65763328, 71928640, 73983744, 80919720, 82204160, 86314368, 92479680, 98644992, 105154560, 107892960, 115085824, 123306240, 127088640, 129471552, 143857280, 147967488, 161839440, 164408320, 172628736, 184959360, 197289984, 215785920, 230171648, 246612480, 258943104, 287714560, 295934976, 323678880, 328816640, 345257472, 369918720, 431571840, 460343296, 493224960, 517886208, 575429120, 591869952, 647357760, 690514944, 739837440, 863143680, 986449920, 1035772416, 1150858240, 1294715520, 1381029888, 1479674880, 1726287360, 2071544832, 2301716480, 2589431040, 2959349760, 3452574720, 4143089664, 5178862080, 6905149440, 10357724160, 20715448320]

約数ペア:

[(1, 20715448320), (2, 10357724160), (3, 6905149440), (4, 5178862080), (5, 4143089664), (6, 3452574720), (7, 2959349760), (8, 2589431040), (9, 2301716480), (10, 2071544832), (12, 1726287360), (14, 1479674880), (15, 1381029888), (16, 1294715520), (18, 1150858240), (20, 1035772416), (21, 986449920), (24, 863143680), (28, 739837440), (30, 690514944), (32, 647357760), (35, 591869952), (36, 575429120), (40, 517886208), (42, 493224960), (45, 460343296), (48, 431571840), (56, 369918720), (60, 345257472), (63, 328816640), (64, 323678880), (70, 295934976), (72, 287714560), (80, 258943104), (84, 246612480), (90, 230171648), (96, 215785920), (105, 197289984), (112, 184959360), (120, 172628736), (126, 164408320), (128, 161839440), (140, 147967488), (144, 143857280), (160, 129471552), (163, 127088640), (168, 123306240), (180, 115085824), (192, 107892960), (197, 105154560), (210, 98644992), (224, 92479680), (240, 86314368), (252, 82204160), (256, 80919720), (280, 73983744), (288, 71928640), (315, 65763328), (320, 64735776), (326, 63544320), (336, 61653120), (360, 57542912), (384, 53946480), (394, 52577280), (420, 49322496), (448, 46239840), (480, 43157184), (489, 42362880), (504, 41102080), (512, 40459860), (560, 36991872), (576, 35964320), (591, 35051520), (630, 32881664), (640, 32367888), (652, 31772160), (672, 30826560), (720, 28771456), (768, 26973240), (788, 26288640), (815, 25417728), (840, 24661248), (896, 23119920), (960, 21578592), (978, 21181440), (985, 21030912), (1008, 20551040), (1024, 20229930), (1120, 18495936), (1141, 18155520), (1152, 17982160), (1182, 17525760), (1260, 16440832), (1280, 16183944), (1304, 15886080), (1344, 15413280), (1379, 15022080), (1440, 14385728), (1467, 14120960), (1536, 13486620), (1576, 13144320), (1630, 12708864), (1680, 12330624), (1773, 11683840), (1792, 11559960), (1920, 10789296), (1956, 10590720), (1970, 10515456), (2016, 10275520), (2048, 10114965), (2240, 9247968), (2282, 9077760), (2304, 8991080), (2364, 8762880), (2445, 8472576), (2520, 8220416), (2560, 8091972), (2608, 7943040), (2688, 7706640), (2758, 7511040), (2880, 7192864), (2934, 7060480), (2955, 7010304), (3072, 6743310), (3152, 6572160), (3260, 6354432), (3360, 6165312), (3423, 6051840), (3546, 5841920), (3584, 5779980), (3840, 5394648), (3912, 5295360), (3940, 5257728), (4032, 5137760), (4137, 5007360), (4480, 4623984), (4564, 4538880), (4608, 4495540), (4728, 4381440), (4890, 4236288), (5040, 4110208), (5120, 4045986), (5216, 3971520), (5376, 3853320), (5516, 3755520), (5705, 3631104), (5760, 3596432), (5868, 3530240), (5910, 3505152), (6144, 3371655), (6304, 3286080), (6520, 3177216), (6720, 3082656), (6846, 3025920), (6895, 3004416), (7092, 2920960), (7168, 2889990), (7335, 2824192), (7680, 2697324), (7824, 2647680), (7880, 2628864), (8064, 2568880), (8274, 2503680), (8865, 2336768), (8960, 2311992), (9128, 2269440), (9216, 2247770), (9456, 2190720), (9780, 2118144), (10080, 2055104), (10240, 2022993), (10269, 2017280), (10432, 1985760), (10752, 1926660), (11032, 1877760), (11410, 1815552), (11520, 1798216), (11736, 1765120), (11820, 1752576), (12411, 1669120), (12608, 1643040), (13040, 1588608), (13440, 1541328), (13692, 1512960), (13790, 1502208), (14184, 1460480), (14336, 1444995), (14670, 1412096), (15360, 1348662), (15648, 1323840), (15760, 1314432), (16128, 1284440), (16548, 1251840), (17115, 1210368), (17730, 1168384), (17920, 1155996), (18256, 1134720), (18432, 1123885), (18912, 1095360), (19560, 1059072), (20160, 1027552), (20538, 1008640), (20685, 1001472), (20864, 992880), (21504, 963330), (22064, 938880), (22820, 907776), (23040, 899108), (23472, 882560), (23640, 876288), (24822, 834560), (25216, 821520), (26080, 794304), (26880, 770664), (27384, 756480), (27580, 751104), (28368, 730240), (29340, 706048), (30720, 674331), (31296, 661920), (31520, 657216), (32111, 645120), (32256, 642220), (33096, 625920), (34230, 605184), (35460, 584192), (35840, 577998), (36512, 567360), (37824, 547680), (39120, 529536), (40320, 513776), (41076, 504320), (41370, 500736), (41728, 496440), (43008, 481665), (44128, 469440), (45640, 453888), (46080, 449554), (46944, 441280), (47280, 438144), (49644, 417280), (50432, 410760), (51345, 403456), (52160, 397152), (53760, 385332), (54768, 378240), (55160, 375552), (56736, 365120), (58680, 353024), (62055, 333824), (62592, 330960), (63040, 328608), (64222, 322560), (64512, 321110), (66192, 312960), (68460, 302592), (70920, 292096), (71680, 288999), (73024, 283680), (75648, 273840), (78240, 264768), (80640, 256888), (82152, 252160), (82740, 250368), (83456, 248220), (88256, 234720), (91280, 226944), (92160, 224777), (93888, 220640), (94560, 219072), (96333, 215040), (99288, 208640), (100864, 205380), (102690, 201728), (104320, 198576), (107520, 192666), (109536, 189120), (110320, 187776), (113472, 182560), (117360, 176512), (124110, 166912), (125184, 165480), (126080, 164304), (128444, 161280), (129024, 160555), (132384, 156480), (136920, 151296), (141840, 146048)]