21278407680

素因数分解:

$2^{10}\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1181}}^1$

素因数の和:1252

約数の個数: 528

約数和(自身を含む): 81529291584

約数和(自身を除く): 60250883904

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 23, 24, 30, 32, 34, 36, 40, 45, 46, 48, 51, 60, 64, 68, 69, 72, 80, 85, 90, 92, 96, 102, 115, 120, 128, 136, 138, 144, 153, 160, 170, 180, 184, 192, 204, 207, 230, 240, 255, 256, 272, 276, 288, 306, 320, 340, 345, 360, 368, 384, 391, 408, 414, 460, 480, 510, 512, 544, 552, 576, 612, 640, 680, 690, 720, 736, 765, 768, 782, 816, 828, 920, 960, 1020, 1024, 1035, 1088, 1104, 1152, 1173, 1181, 1224, 1280, 1360, 1380, 1440, 1472, 1530, 1536, 1564, 1632, 1656, 1840, 1920, 1955, 2040, 2070, 2176, 2208, 2304, 2346, 2362, 2448, 2560, 2720, 2760, 2880, 2944, 3060, 3072, 3128, 3264, 3312, 3519, 3543, 3680, 3840, 3910, 4080, 4140, 4352, 4416, 4608, 4692, 4724, 4896, 5120, 5440, 5520, 5760, 5865, 5888, 5905, 6120, 6256, 6528, 6624, 7038, 7086, 7360, 7680, 7820, 8160, 8280, 8704, 8832, 9216, 9384, 9448, 9792, 10629, 10880, 11040, 11520, 11730, 11776, 11810, 12240, 12512, 13056, 13248, 14076, 14172, 14720, 15360, 15640, 16320, 16560, 17408, 17595, 17664, 17715, 18768, 18896, 19584, 20077, 21258, 21760, 22080, 23040, 23460, 23552, 23620, 24480, 25024, 26112, 26496, 27163, 28152, 28344, 29440, 31280, 32640, 33120, 35190, 35328, 35430, 37536, 37792, 39168, 40154, 42516, 43520, 44160, 46080, 46920, 47240, 48960, 50048, 52224, 52992, 53145, 54326, 56304, 56688, 58880, 60231, 62560, 65280, 66240, 70380, 70656, 70860, 75072, 75584, 78336, 80308, 81489, 85032, 87040, 88320, 93840, 94480, 97920, 100096, 100385, 105984, 106290, 108652, 112608, 113376, 117760, 120462, 125120, 130560, 132480, 135815, 140760, 141720, 150144, 151168, 156672, 160616, 162978, 170064, 176640, 180693, 187680, 188960, 195840, 200192, 200770, 211968, 212580, 217304, 225216, 226752, 240924, 244467, 250240, 261120, 264960, 271630, 281520, 283440, 300288, 301155, 302336, 321232, 325956, 340128, 353280, 361386, 375360, 377920, 391680, 400384, 401540, 407445, 425160, 434608, 450432, 453504, 461771, 481848, 488934, 500480, 529920, 543260, 563040, 566880, 600576, 602310, 604672, 642464, 651912, 680256, 722772, 750720, 755840, 783360, 803080, 814890, 850320, 869216, 900864, 903465, 907008, 923542, 963696, 977868, 1000960, 1059840, 1086520, 1126080, 1133760, 1201152, 1204620, 1209344, 1222335, 1284928, 1303824, 1360512, 1385313, 1445544, 1501440, 1511680, 1606160, 1629780, 1700640, 1738432, 1801728, 1806930, 1814016, 1847084, 1927392, 1955736, 2001920, 2173040, 2252160, 2267520, 2308855, 2409240, 2444670, 2569856, 2607648, 2721024, 2770626, 2891088, 3002880, 3023360, 3212320, 3259560, 3401280, 3476864, 3603456, 3613860, 3628032, 3694168, 3854784, 3911472, 4155939, 4346080, 4504320, 4535040, 4617710, 4818480, 4889340, 5139712, 5215296, 5442048, 5541252, 5782176, 6005760, 6046720, 6424640, 6519120, 6802560, 6926565, 6953728, 7227720, 7388336, 7709568, 7822944, 8311878, 8692160, 9008640, 9070080, 9235420, 9636960, 9778680, 10279424, 10430592, 10884096, 11082504, 11564352, 12849280, 13038240, 13605120, 13853130, 13907456, 14455440, 14776672, 15419136, 15645888, 16623756, 17384320, 18017280, 18140160, 18470840, 19273920, 19557360, 20558848, 20779695, 20861184, 22165008, 23128704, 25698560, 26076480, 27210240, 27706260, 27814912, 28910880, 29553344, 30838272, 31291776, 33247512, 34768640, 36941680, 38547840, 39114720, 41559390, 41722368, 44330016, 46257408, 51397120, 52152960, 54420480, 55412520, 57821760, 59106688, 61676544, 62583552, 66495024, 69537280, 73883360, 77095680, 78229440, 83118780, 83444736, 88660032, 92514816, 102794240, 104305920, 110825040, 115643520, 118213376, 125167104, 132990048, 139074560, 147766720, 154191360, 156458880, 166237560, 177320064, 185029632, 208611840, 221650080, 231287040, 236426752, 250334208, 265980096, 295533440, 308382720, 312917760, 332475120, 354640128, 417223680, 443300160, 462574080, 472853504, 531960192, 591066880, 625835520, 664950240, 709280256, 886600320, 925148160, 1063920384, 1182133760, 1251671040, 1329900480, 1418560512, 1773200640, 2127840768, 2364267520, 2659800960, 3546401280, 4255681536, 5319601920, 7092802560, 10639203840, 21278407680]

約数ペア:

[(1, 21278407680), (2, 10639203840), (3, 7092802560), (4, 5319601920), (5, 4255681536), (6, 3546401280), (8, 2659800960), (9, 2364267520), (10, 2127840768), (12, 1773200640), (15, 1418560512), (16, 1329900480), (17, 1251671040), (18, 1182133760), (20, 1063920384), (23, 925148160), (24, 886600320), (30, 709280256), (32, 664950240), (34, 625835520), (36, 591066880), (40, 531960192), (45, 472853504), (46, 462574080), (48, 443300160), (51, 417223680), (60, 354640128), (64, 332475120), (68, 312917760), (69, 308382720), (72, 295533440), (80, 265980096), (85, 250334208), (90, 236426752), (92, 231287040), (96, 221650080), (102, 208611840), (115, 185029632), (120, 177320064), (128, 166237560), (136, 156458880), (138, 154191360), (144, 147766720), (153, 139074560), (160, 132990048), (170, 125167104), (180, 118213376), (184, 115643520), (192, 110825040), (204, 104305920), (207, 102794240), (230, 92514816), (240, 88660032), (255, 83444736), (256, 83118780), (272, 78229440), (276, 77095680), (288, 73883360), (306, 69537280), (320, 66495024), (340, 62583552), (345, 61676544), (360, 59106688), (368, 57821760), (384, 55412520), (391, 54420480), (408, 52152960), (414, 51397120), (460, 46257408), (480, 44330016), (510, 41722368), (512, 41559390), (544, 39114720), (552, 38547840), (576, 36941680), (612, 34768640), (640, 33247512), (680, 31291776), (690, 30838272), (720, 29553344), (736, 28910880), (765, 27814912), (768, 27706260), (782, 27210240), (816, 26076480), (828, 25698560), (920, 23128704), (960, 22165008), (1020, 20861184), (1024, 20779695), (1035, 20558848), (1088, 19557360), (1104, 19273920), (1152, 18470840), (1173, 18140160), (1181, 18017280), (1224, 17384320), (1280, 16623756), (1360, 15645888), (1380, 15419136), (1440, 14776672), (1472, 14455440), (1530, 13907456), (1536, 13853130), (1564, 13605120), (1632, 13038240), (1656, 12849280), (1840, 11564352), (1920, 11082504), (1955, 10884096), (2040, 10430592), (2070, 10279424), (2176, 9778680), (2208, 9636960), (2304, 9235420), (2346, 9070080), (2362, 9008640), (2448, 8692160), (2560, 8311878), (2720, 7822944), (2760, 7709568), (2880, 7388336), (2944, 7227720), (3060, 6953728), (3072, 6926565), (3128, 6802560), (3264, 6519120), (3312, 6424640), (3519, 6046720), (3543, 6005760), (3680, 5782176), (3840, 5541252), (3910, 5442048), (4080, 5215296), (4140, 5139712), (4352, 4889340), (4416, 4818480), (4608, 4617710), (4692, 4535040), (4724, 4504320), (4896, 4346080), (5120, 4155939), (5440, 3911472), (5520, 3854784), (5760, 3694168), (5865, 3628032), (5888, 3613860), (5905, 3603456), (6120, 3476864), (6256, 3401280), (6528, 3259560), (6624, 3212320), (7038, 3023360), (7086, 3002880), (7360, 2891088), (7680, 2770626), (7820, 2721024), (8160, 2607648), (8280, 2569856), (8704, 2444670), (8832, 2409240), (9216, 2308855), (9384, 2267520), (9448, 2252160), (9792, 2173040), (10629, 2001920), (10880, 1955736), (11040, 1927392), (11520, 1847084), (11730, 1814016), (11776, 1806930), (11810, 1801728), (12240, 1738432), (12512, 1700640), (13056, 1629780), (13248, 1606160), (14076, 1511680), (14172, 1501440), (14720, 1445544), (15360, 1385313), (15640, 1360512), (16320, 1303824), (16560, 1284928), (17408, 1222335), (17595, 1209344), (17664, 1204620), (17715, 1201152), (18768, 1133760), (18896, 1126080), (19584, 1086520), (20077, 1059840), (21258, 1000960), (21760, 977868), (22080, 963696), (23040, 923542), (23460, 907008), (23552, 903465), (23620, 900864), (24480, 869216), (25024, 850320), (26112, 814890), (26496, 803080), (27163, 783360), (28152, 755840), (28344, 750720), (29440, 722772), (31280, 680256), (32640, 651912), (33120, 642464), (35190, 604672), (35328, 602310), (35430, 600576), (37536, 566880), (37792, 563040), (39168, 543260), (40154, 529920), (42516, 500480), (43520, 488934), (44160, 481848), (46080, 461771), (46920, 453504), (47240, 450432), (48960, 434608), (50048, 425160), (52224, 407445), (52992, 401540), (53145, 400384), (54326, 391680), (56304, 377920), (56688, 375360), (58880, 361386), (60231, 353280), (62560, 340128), (65280, 325956), (66240, 321232), (70380, 302336), (70656, 301155), (70860, 300288), (75072, 283440), (75584, 281520), (78336, 271630), (80308, 264960), (81489, 261120), (85032, 250240), (87040, 244467), (88320, 240924), (93840, 226752), (94480, 225216), (97920, 217304), (100096, 212580), (100385, 211968), (105984, 200770), (106290, 200192), (108652, 195840), (112608, 188960), (113376, 187680), (117760, 180693), (120462, 176640), (125120, 170064), (130560, 162978), (132480, 160616), (135815, 156672), (140760, 151168), (141720, 150144)]