21505407840

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:419

約数の個数: 576

約数和(自身を含む): 85864955904

約数和(自身を除く): 64359548064

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, 70, 72, 80, 84, 90, 96, 105, 107, 112, 120, 126, 127, 140, 144, 157, 160, 168, 180, 210, 214, 224, 240, 252, 254, 280, 288, 314, 315, 321, 336, 360, 381, 420, 428, 471, 480, 504, 508, 535, 560, 628, 630, 635, 642, 672, 720, 749, 762, 785, 840, 856, 889, 942, 963, 1008, 1016, 1070, 1099, 1120, 1143, 1256, 1260, 1270, 1284, 1413, 1440, 1498, 1524, 1570, 1605, 1680, 1712, 1778, 1884, 1905, 1926, 2016, 2032, 2140, 2198, 2247, 2286, 2355, 2512, 2520, 2540, 2568, 2667, 2826, 2996, 3048, 3140, 3210, 3297, 3360, 3424, 3556, 3745, 3768, 3810, 3852, 4064, 4280, 4396, 4445, 4494, 4572, 4710, 4815, 5024, 5040, 5080, 5136, 5334, 5495, 5652, 5715, 5992, 6096, 6280, 6420, 6594, 6741, 7065, 7112, 7490, 7536, 7620, 7704, 8001, 8560, 8792, 8890, 8988, 9144, 9420, 9630, 9891, 10080, 10160, 10272, 10668, 10990, 11235, 11304, 11430, 11984, 12192, 12560, 12840, 13188, 13335, 13482, 13589, 14130, 14224, 14980, 15072, 15240, 15408, 16002, 16485, 16799, 17120, 17584, 17780, 17976, 18288, 18840, 19260, 19782, 19939, 20320, 21336, 21980, 22470, 22608, 22860, 23968, 25120, 25680, 26376, 26670, 26964, 27178, 28260, 28448, 29960, 30480, 30816, 32004, 32970, 33598, 33705, 35168, 35560, 35952, 36576, 37680, 38520, 39564, 39878, 40005, 40767, 42672, 43960, 44940, 45216, 45720, 49455, 50397, 51360, 52752, 53340, 53928, 54356, 56520, 59817, 59920, 60960, 64008, 65940, 67196, 67410, 67945, 71120, 71904, 75360, 77040, 79128, 79756, 80010, 81534, 83995, 85344, 87920, 89880, 91440, 95123, 98910, 99695, 100794, 105504, 106680, 107856, 108712, 113040, 117593, 119634, 119840, 122301, 128016, 131880, 134392, 134820, 135890, 139573, 142240, 151191, 154080, 158256, 159512, 160020, 163068, 167990, 175840, 179451, 179760, 182880, 190246, 197820, 199390, 201588, 203835, 213360, 215712, 217424, 226080, 235186, 239268, 244602, 251985, 256032, 263760, 268784, 269640, 271780, 279146, 285369, 299085, 302382, 316512, 319024, 320040, 326136, 335980, 352779, 358902, 359520, 380492, 395640, 398780, 403176, 407670, 418719, 426720, 434848, 470372, 475615, 478536, 489204, 503970, 527520, 537568, 539280, 543560, 558292, 570738, 587965, 598170, 604764, 611505, 638048, 640080, 652272, 671960, 697865, 705558, 717804, 755955, 760984, 791280, 797560, 806352, 815340, 837438, 856107, 897255, 940744, 951230, 957072, 978408, 1007940, 1058337, 1078560, 1087120, 1116584, 1141476, 1175930, 1196340, 1209528, 1223010, 1256157, 1280160, 1304544, 1343920, 1395730, 1411116, 1426845, 1435608, 1511910, 1521968, 1582560, 1595120, 1612704, 1630680, 1674876, 1712214, 1763895, 1794510, 1881488, 1902460, 1914144, 1956816, 2015880, 2093595, 2116674, 2133473, 2174240, 2233168, 2282952, 2351860, 2392680, 2419056, 2446020, 2512314, 2687840, 2791460, 2822232, 2853690, 2871216, 3023820, 3043936, 3190240, 3261360, 3349752, 3424428, 3527790, 3589020, 3762976, 3804920, 3913632, 4031760, 4187190, 4233348, 4266946, 4280535, 4466336, 4565904, 4703720, 4785360, 4838112, 4892040, 5024628, 5291685, 5582920, 5644464, 5707380, 5742432, 6047640, 6280785, 6400419, 6522720, 6699504, 6848856, 7055580, 7178040, 7609840, 8063520, 8374380, 8466696, 8533892, 8561070, 9131808, 9407440, 9570720, 9784080, 10049256, 10583370, 10667365, 11165840, 11288928, 11414760, 12095280, 12561570, 12800838, 13399008, 13697712, 14111160, 14356080, 14934311, 15219680, 16748760, 16933392, 17067784, 17122140, 18814880, 19201257, 19568160, 20098512, 21166740, 21334730, 22331680, 22829520, 24190560, 25123140, 25601676, 27395424, 28222320, 28712160, 29868622, 32002095, 33497520, 33866784, 34135568, 34244280, 38402514, 40197024, 42333480, 42669460, 44802933, 45659040, 50246280, 51203352, 56444640, 59737244, 64004190, 66995040, 68271136, 68488560, 74671555, 76805028, 84666960, 85338920, 89605866, 96006285, 100492560, 102406704, 119474488, 128008380, 134408799, 136977120, 149343110, 153610056, 169333920, 170677840, 179211732, 192012570, 200985120, 204813408, 224014665, 238948976, 256016760, 268817598, 298686220, 307220112, 341355680, 358423464, 384025140, 448029330, 477897952, 512033520, 537635196, 597372440, 614440224, 672043995, 716846928, 768050280, 896058660, 1024067040, 1075270392, 1194744880, 1344087990, 1433693856, 1536100560, 1792117320, 2150540784, 2389489760, 2688175980, 3072201120, 3584234640, 4301081568, 5376351960, 7168469280, 10752703920, 21505407840]

約数ペア:

[(1, 21505407840), (2, 10752703920), (3, 7168469280), (4, 5376351960), (5, 4301081568), (6, 3584234640), (7, 3072201120), (8, 2688175980), (9, 2389489760), (10, 2150540784), (12, 1792117320), (14, 1536100560), (15, 1433693856), (16, 1344087990), (18, 1194744880), (20, 1075270392), (21, 1024067040), (24, 896058660), (28, 768050280), (30, 716846928), (32, 672043995), (35, 614440224), (36, 597372440), (40, 537635196), (42, 512033520), (45, 477897952), (48, 448029330), (56, 384025140), (60, 358423464), (63, 341355680), (70, 307220112), (72, 298686220), (80, 268817598), (84, 256016760), (90, 238948976), (96, 224014665), (105, 204813408), (107, 200985120), (112, 192012570), (120, 179211732), (126, 170677840), (127, 169333920), (140, 153610056), (144, 149343110), (157, 136977120), (160, 134408799), (168, 128008380), (180, 119474488), (210, 102406704), (214, 100492560), (224, 96006285), (240, 89605866), (252, 85338920), (254, 84666960), (280, 76805028), (288, 74671555), (314, 68488560), (315, 68271136), (321, 66995040), (336, 64004190), (360, 59737244), (381, 56444640), (420, 51203352), (428, 50246280), (471, 45659040), (480, 44802933), (504, 42669460), (508, 42333480), (535, 40197024), (560, 38402514), (628, 34244280), (630, 34135568), (635, 33866784), (642, 33497520), (672, 32002095), (720, 29868622), (749, 28712160), (762, 28222320), (785, 27395424), (840, 25601676), (856, 25123140), (889, 24190560), (942, 22829520), (963, 22331680), (1008, 21334730), (1016, 21166740), (1070, 20098512), (1099, 19568160), (1120, 19201257), (1143, 18814880), (1256, 17122140), (1260, 17067784), (1270, 16933392), (1284, 16748760), (1413, 15219680), (1440, 14934311), (1498, 14356080), (1524, 14111160), (1570, 13697712), (1605, 13399008), (1680, 12800838), (1712, 12561570), (1778, 12095280), (1884, 11414760), (1905, 11288928), (1926, 11165840), (2016, 10667365), (2032, 10583370), (2140, 10049256), (2198, 9784080), (2247, 9570720), (2286, 9407440), (2355, 9131808), (2512, 8561070), (2520, 8533892), (2540, 8466696), (2568, 8374380), (2667, 8063520), (2826, 7609840), (2996, 7178040), (3048, 7055580), (3140, 6848856), (3210, 6699504), (3297, 6522720), (3360, 6400419), (3424, 6280785), (3556, 6047640), (3745, 5742432), (3768, 5707380), (3810, 5644464), (3852, 5582920), (4064, 5291685), (4280, 5024628), (4396, 4892040), (4445, 4838112), (4494, 4785360), (4572, 4703720), (4710, 4565904), (4815, 4466336), (5024, 4280535), (5040, 4266946), (5080, 4233348), (5136, 4187190), (5334, 4031760), (5495, 3913632), (5652, 3804920), (5715, 3762976), (5992, 3589020), (6096, 3527790), (6280, 3424428), (6420, 3349752), (6594, 3261360), (6741, 3190240), (7065, 3043936), (7112, 3023820), (7490, 2871216), (7536, 2853690), (7620, 2822232), (7704, 2791460), (8001, 2687840), (8560, 2512314), (8792, 2446020), (8890, 2419056), (8988, 2392680), (9144, 2351860), (9420, 2282952), (9630, 2233168), (9891, 2174240), (10080, 2133473), (10160, 2116674), (10272, 2093595), (10668, 2015880), (10990, 1956816), (11235, 1914144), (11304, 1902460), (11430, 1881488), (11984, 1794510), (12192, 1763895), (12560, 1712214), (12840, 1674876), (13188, 1630680), (13335, 1612704), (13482, 1595120), (13589, 1582560), (14130, 1521968), (14224, 1511910), (14980, 1435608), (15072, 1426845), (15240, 1411116), (15408, 1395730), (16002, 1343920), (16485, 1304544), (16799, 1280160), (17120, 1256157), (17584, 1223010), (17780, 1209528), (17976, 1196340), (18288, 1175930), (18840, 1141476), (19260, 1116584), (19782, 1087120), (19939, 1078560), (20320, 1058337), (21336, 1007940), (21980, 978408), (22470, 957072), (22608, 951230), (22860, 940744), (23968, 897255), (25120, 856107), (25680, 837438), (26376, 815340), (26670, 806352), (26964, 797560), (27178, 791280), (28260, 760984), (28448, 755955), (29960, 717804), (30480, 705558), (30816, 697865), (32004, 671960), (32970, 652272), (33598, 640080), (33705, 638048), (35168, 611505), (35560, 604764), (35952, 598170), (36576, 587965), (37680, 570738), (38520, 558292), (39564, 543560), (39878, 539280), (40005, 537568), (40767, 527520), (42672, 503970), (43960, 489204), (44940, 478536), (45216, 475615), (45720, 470372), (49455, 434848), (50397, 426720), (51360, 418719), (52752, 407670), (53340, 403176), (53928, 398780), (54356, 395640), (56520, 380492), (59817, 359520), (59920, 358902), (60960, 352779), (64008, 335980), (65940, 326136), (67196, 320040), (67410, 319024), (67945, 316512), (71120, 302382), (71904, 299085), (75360, 285369), (77040, 279146), (79128, 271780), (79756, 269640), (80010, 268784), (81534, 263760), (83995, 256032), (85344, 251985), (87920, 244602), (89880, 239268), (91440, 235186), (95123, 226080), (98910, 217424), (99695, 215712), (100794, 213360), (105504, 203835), (106680, 201588), (107856, 199390), (108712, 197820), (113040, 190246), (117593, 182880), (119634, 179760), (119840, 179451), (122301, 175840), (128016, 167990), (131880, 163068), (134392, 160020), (134820, 159512), (135890, 158256), (139573, 154080), (142240, 151191)]