21920613120

素因数分解:

$2^8\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{251}}^1$

素因数の和:326

約数の個数: 864

約数和(自身を含む): 94199293440

約数和(自身を除く): 72278680320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 27, 28, 30, 32, 35, 36, 38, 40, 42, 45, 48, 54, 56, 57, 60, 63, 64, 70, 72, 76, 80, 84, 90, 95, 96, 105, 108, 112, 114, 120, 126, 128, 133, 135, 140, 144, 152, 160, 168, 171, 180, 189, 190, 192, 210, 216, 224, 228, 240, 251, 252, 256, 266, 270, 280, 285, 288, 304, 315, 320, 336, 342, 360, 361, 378, 380, 384, 399, 420, 432, 448, 456, 480, 502, 504, 513, 532, 540, 560, 570, 576, 608, 630, 640, 665, 672, 684, 720, 722, 753, 756, 760, 768, 798, 840, 855, 864, 896, 912, 945, 960, 1004, 1008, 1026, 1064, 1080, 1083, 1120, 1140, 1152, 1197, 1216, 1255, 1260, 1280, 1330, 1344, 1368, 1440, 1444, 1506, 1512, 1520, 1596, 1680, 1710, 1728, 1757, 1792, 1805, 1824, 1890, 1920, 1995, 2008, 2016, 2052, 2128, 2160, 2166, 2240, 2259, 2280, 2304, 2394, 2432, 2510, 2520, 2527, 2565, 2660, 2688, 2736, 2880, 2888, 3012, 3024, 3040, 3192, 3249, 3360, 3420, 3456, 3514, 3591, 3610, 3648, 3765, 3780, 3840, 3990, 4016, 4032, 4104, 4256, 4320, 4332, 4480, 4518, 4560, 4769, 4788, 4864, 5020, 5040, 5054, 5130, 5271, 5320, 5376, 5415, 5472, 5760, 5776, 5985, 6024, 6048, 6080, 6384, 6498, 6720, 6777, 6840, 6912, 7028, 7182, 7220, 7296, 7530, 7560, 7581, 7980, 8032, 8064, 8208, 8512, 8640, 8664, 8785, 8960, 9036, 9120, 9538, 9576, 9747, 10040, 10080, 10108, 10260, 10542, 10640, 10830, 10944, 11295, 11520, 11552, 11970, 12048, 12096, 12160, 12635, 12768, 12996, 13440, 13554, 13680, 14056, 14307, 14364, 14440, 14592, 15060, 15120, 15162, 15813, 15960, 16064, 16128, 16245, 16416, 17024, 17280, 17328, 17570, 17955, 18072, 18240, 19076, 19152, 19494, 20080, 20160, 20216, 20520, 21084, 21280, 21660, 21888, 22590, 22743, 23104, 23845, 23940, 24096, 24192, 24320, 25270, 25536, 25992, 26355, 26880, 27108, 27360, 28112, 28614, 28728, 28880, 30120, 30240, 30324, 31626, 31920, 32128, 32490, 32832, 33383, 33885, 34048, 34560, 34656, 35140, 35910, 36144, 36480, 37905, 38152, 38304, 38988, 40160, 40320, 40432, 41040, 42168, 42560, 42921, 43320, 43776, 45180, 45486, 46208, 47439, 47690, 47880, 48192, 48384, 48735, 50540, 51072, 51984, 52710, 54216, 54720, 56224, 57228, 57456, 57760, 60240, 60480, 60648, 63252, 63840, 64256, 64980, 65664, 66766, 67770, 68229, 69312, 70280, 71535, 71820, 72288, 72960, 75810, 76304, 76608, 77976, 79065, 80320, 80640, 80864, 82080, 84336, 85120, 85842, 86640, 90360, 90611, 90972, 92416, 94878, 95380, 95760, 96384, 97470, 100149, 101080, 102144, 103968, 105420, 108432, 109440, 112448, 113715, 114456, 114912, 115520, 120480, 120960, 121296, 126504, 127680, 128763, 129960, 131328, 133532, 135540, 136458, 138624, 140560, 143070, 143640, 144576, 151620, 152608, 153216, 155952, 158130, 160640, 161728, 164160, 166915, 168672, 170240, 171684, 173280, 180720, 181222, 181944, 189756, 190760, 191520, 192768, 194940, 200298, 202160, 207936, 210840, 214605, 216864, 218880, 224896, 227430, 228912, 229824, 231040, 237195, 240960, 241920, 242592, 253008, 255360, 257526, 259920, 267064, 271080, 271833, 272916, 277248, 281120, 286140, 287280, 289152, 300447, 303240, 305216, 306432, 311904, 316260, 321280, 323456, 328320, 333830, 337344, 341145, 343368, 346560, 361440, 362444, 363888, 379512, 381520, 383040, 389880, 400596, 404320, 415872, 421680, 429210, 433728, 449792, 453055, 454860, 457824, 459648, 462080, 474390, 481920, 485184, 500745, 506016, 510720, 515052, 519840, 534128, 542160, 543666, 545832, 562240, 572280, 574560, 578304, 600894, 606480, 610432, 623808, 632520, 634277, 643815, 646912, 656640, 667660, 674688, 682290, 686736, 693120, 722880, 724888, 727776, 759024, 763040, 766080, 779760, 801192, 808640, 815499, 831744, 843360, 858420, 867456, 901341, 906110, 909720, 915648, 919296, 948780, 963840, 970368, 1001490, 1012032, 1030104, 1039680, 1068256, 1084320, 1087332, 1091664, 1124480, 1144560, 1149120, 1201788, 1212960, 1220864, 1247616, 1265040, 1268554, 1287630, 1335320, 1349376, 1359165, 1364580, 1373472, 1386240, 1445760, 1449776, 1455552, 1502235, 1518048, 1526080, 1532160, 1559520, 1602384, 1617280, 1630998, 1686720, 1716840, 1734912, 1802682, 1812220, 1819440, 1831296, 1897560, 1902831, 1940736, 2002980, 2024064, 2060208, 2079360, 2136512, 2168640, 2174664, 2183328, 2248960, 2289120, 2298240, 2403576, 2425920, 2446497, 2495232, 2530080, 2537108, 2575260, 2670640, 2718330, 2729160, 2746944, 2891520, 2899552, 2911104, 3004470, 3036096, 3052160, 3119040, 3171385, 3204768, 3234560, 3261996, 3373440, 3433680, 3605364, 3624440, 3638880, 3662592, 3795120, 3805662, 4005960, 4048128, 4077495, 4120416, 4158720, 4273024, 4337280, 4349328, 4366656, 4506705, 4578240, 4596480, 4807152, 4851840, 4892994, 5060160, 5074216, 5150520, 5341280, 5436660, 5458320, 5493888, 5708493, 5799104, 5822208, 6008940, 6072192, 6104320, 6238080, 6342770, 6409536, 6523992, 6746880, 6867360, 7210728, 7248880, 7277760, 7590240, 7611324, 8011920, 8154990, 8240832, 8546048, 8674560, 8698656, 8733312, 9013410, 9156480, 9514155, 9614304, 9703680, 9785988, 10120320, 10148432, 10301040, 10682560, 10873320, 10916640, 10987776, 11416986, 11598208, 12017880, 12144384, 12232485, 12476160, 12685540, 12819072, 13047984, 13734720, 14421456, 14497760, 14555520, 15180480, 15222648, 16023840, 16309980, 16481664, 17125479, 17397312, 17466624, 18026820, 18312960, 19028310, 19228608, 19571976, 20240640, 20296864, 20602080, 21365120, 21746640, 21833280, 22833972, 23196416, 24035760, 24464970, 25371080, 25638144, 26095968, 27469440, 28542465, 28842912, 28995520, 29111040, 30360960, 30445296, 32047680, 32619960, 32963328, 34250958, 34794624, 36053640, 38056620, 38457216, 39143952, 40593728, 41204160, 42730240, 43493280, 43666560, 45667944, 48071520, 48929940, 50742160, 52191936, 54938880, 57084930, 57685824, 57991040, 60721920, 60890592, 64095360, 65239920, 68501916, 69589248, 72107280, 76113240, 76914432, 78287904, 81187456, 82408320, 85627395, 86986560, 87333120, 91335888, 96143040, 97859880, 101484320, 104383872, 114169860, 115371648, 115982080, 121781184, 128190720, 130479840, 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約数ペア:

[(1, 21920613120), (2, 10960306560), (3, 7306871040), (4, 5480153280), (5, 4384122624), (6, 3653435520), (7, 3131516160), (8, 2740076640), (9, 2435623680), (10, 2192061312), (12, 1826717760), (14, 1565758080), (15, 1461374208), (16, 1370038320), (18, 1217811840), (19, 1153716480), (20, 1096030656), (21, 1043838720), (24, 913358880), (27, 811874560), (28, 782879040), (30, 730687104), (32, 685019160), (35, 626303232), (36, 608905920), (38, 576858240), (40, 548015328), (42, 521919360), (45, 487124736), (48, 456679440), (54, 405937280), (56, 391439520), (57, 384572160), (60, 365343552), (63, 347946240), (64, 342509580), (70, 313151616), (72, 304452960), (76, 288429120), (80, 274007664), (84, 260959680), (90, 243562368), (95, 230743296), (96, 228339720), (105, 208767744), (108, 202968640), (112, 195719760), (114, 192286080), (120, 182671776), (126, 173973120), (128, 171254790), (133, 164816640), (135, 162374912), (140, 156575808), (144, 152226480), (152, 144214560), (160, 137003832), (168, 130479840), (171, 128190720), (180, 121781184), (189, 115982080), (190, 115371648), (192, 114169860), (210, 104383872), (216, 101484320), (224, 97859880), (228, 96143040), (240, 91335888), (251, 87333120), (252, 86986560), (256, 85627395), (266, 82408320), (270, 81187456), (280, 78287904), (285, 76914432), (288, 76113240), (304, 72107280), (315, 69589248), (320, 68501916), (336, 65239920), (342, 64095360), (360, 60890592), (361, 60721920), (378, 57991040), (380, 57685824), (384, 57084930), (399, 54938880), (420, 52191936), (432, 50742160), (448, 48929940), (456, 48071520), (480, 45667944), (502, 43666560), (504, 43493280), (513, 42730240), (532, 41204160), (540, 40593728), (560, 39143952), (570, 38457216), (576, 38056620), (608, 36053640), (630, 34794624), (640, 34250958), (665, 32963328), (672, 32619960), (684, 32047680), (720, 30445296), (722, 30360960), (753, 29111040), (756, 28995520), (760, 28842912), (768, 28542465), (798, 27469440), (840, 26095968), (855, 25638144), (864, 25371080), (896, 24464970), (912, 24035760), (945, 23196416), (960, 22833972), (1004, 21833280), (1008, 21746640), (1026, 21365120), (1064, 20602080), (1080, 20296864), (1083, 20240640), (1120, 19571976), (1140, 19228608), (1152, 19028310), (1197, 18312960), (1216, 18026820), (1255, 17466624), (1260, 17397312), (1280, 17125479), (1330, 16481664), (1344, 16309980), (1368, 16023840), (1440, 15222648), (1444, 15180480), (1506, 14555520), (1512, 14497760), (1520, 14421456), (1596, 13734720), (1680, 13047984), (1710, 12819072), (1728, 12685540), (1757, 12476160), (1792, 12232485), (1805, 12144384), (1824, 12017880), (1890, 11598208), (1920, 11416986), (1995, 10987776), (2008, 10916640), (2016, 10873320), (2052, 10682560), (2128, 10301040), (2160, 10148432), (2166, 10120320), (2240, 9785988), (2259, 9703680), (2280, 9614304), (2304, 9514155), (2394, 9156480), (2432, 9013410), (2510, 8733312), (2520, 8698656), (2527, 8674560), (2565, 8546048), (2660, 8240832), (2688, 8154990), (2736, 8011920), (2880, 7611324), (2888, 7590240), (3012, 7277760), (3024, 7248880), (3040, 7210728), (3192, 6867360), (3249, 6746880), (3360, 6523992), (3420, 6409536), (3456, 6342770), (3514, 6238080), (3591, 6104320), (3610, 6072192), (3648, 6008940), (3765, 5822208), (3780, 5799104), (3840, 5708493), (3990, 5493888), (4016, 5458320), (4032, 5436660), (4104, 5341280), (4256, 5150520), (4320, 5074216), (4332, 5060160), (4480, 4892994), (4518, 4851840), (4560, 4807152), (4769, 4596480), (4788, 4578240), (4864, 4506705), (5020, 4366656), (5040, 4349328), (5054, 4337280), (5130, 4273024), (5271, 4158720), (5320, 4120416), (5376, 4077495), (5415, 4048128), (5472, 4005960), (5760, 3805662), (5776, 3795120), (5985, 3662592), (6024, 3638880), (6048, 3624440), (6080, 3605364), (6384, 3433680), (6498, 3373440), (6720, 3261996), (6777, 3234560), (6840, 3204768), (6912, 3171385), (7028, 3119040), (7182, 3052160), (7220, 3036096), (7296, 3004470), (7530, 2911104), (7560, 2899552), (7581, 2891520), (7980, 2746944), (8032, 2729160), (8064, 2718330), (8208, 2670640), (8512, 2575260), (8640, 2537108), (8664, 2530080), (8785, 2495232), (8960, 2446497), (9036, 2425920), (9120, 2403576), (9538, 2298240), (9576, 2289120), (9747, 2248960), (10040, 2183328), (10080, 2174664), (10108, 2168640), (10260, 2136512), (10542, 2079360), (10640, 2060208), (10830, 2024064), (10944, 2002980), (11295, 1940736), (11520, 1902831), (11552, 1897560), (11970, 1831296), (12048, 1819440), (12096, 1812220), (12160, 1802682), (12635, 1734912), (12768, 1716840), (12996, 1686720), (13440, 1630998), (13554, 1617280), (13680, 1602384), (14056, 1559520), (14307, 1532160), (14364, 1526080), (14440, 1518048), (14592, 1502235), (15060, 1455552), (15120, 1449776), (15162, 1445760), (15813, 1386240), (15960, 1373472), (16064, 1364580), (16128, 1359165), (16245, 1349376), (16416, 1335320), (17024, 1287630), (17280, 1268554), (17328, 1265040), (17570, 1247616), (17955, 1220864), (18072, 1212960), (18240, 1201788), (19076, 1149120), (19152, 1144560), (19494, 1124480), (20080, 1091664), (20160, 1087332), (20216, 1084320), (20520, 1068256), (21084, 1039680), (21280, 1030104), (21660, 1012032), (21888, 1001490), (22590, 970368), (22743, 963840), (23104, 948780), (23845, 919296), (23940, 915648), (24096, 909720), (24192, 906110), (24320, 901341), (25270, 867456), (25536, 858420), (25992, 843360), (26355, 831744), (26880, 815499), (27108, 808640), (27360, 801192), (28112, 779760), (28614, 766080), (28728, 763040), (28880, 759024), (30120, 727776), (30240, 724888), (30324, 722880), (31626, 693120), (31920, 686736), (32128, 682290), (32490, 674688), (32832, 667660), (33383, 656640), (33885, 646912), (34048, 643815), (34560, 634277), (34656, 632520), (35140, 623808), (35910, 610432), (36144, 606480), (36480, 600894), (37905, 578304), (38152, 574560), (38304, 572280), (38988, 562240), (40160, 545832), (40320, 543666), (40432, 542160), (41040, 534128), (42168, 519840), (42560, 515052), (42921, 510720), (43320, 506016), (43776, 500745), (45180, 485184), (45486, 481920), (46208, 474390), (47439, 462080), (47690, 459648), (47880, 457824), (48192, 454860), (48384, 453055), (48735, 449792), (50540, 433728), (51072, 429210), (51984, 421680), (52710, 415872), (54216, 404320), (54720, 400596), (56224, 389880), (57228, 383040), (57456, 381520), (57760, 379512), (60240, 363888), (60480, 362444), (60648, 361440), (63252, 346560), (63840, 343368), (64256, 341145), (64980, 337344), (65664, 333830), (66766, 328320), (67770, 323456), (68229, 321280), (69312, 316260), (70280, 311904), (71535, 306432), (71820, 305216), (72288, 303240), (72960, 300447), (75810, 289152), (76304, 287280), (76608, 286140), (77976, 281120), (79065, 277248), (80320, 272916), (80640, 271833), (80864, 271080), (82080, 267064), (84336, 259920), (85120, 257526), (85842, 255360), (86640, 253008), (90360, 242592), (90611, 241920), (90972, 240960), (92416, 237195), (94878, 231040), (95380, 229824), (95760, 228912), (96384, 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