20405122560

素因数分解:

$2^9\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:259

約数の個数: 640

約数和(自身を含む): 76366540800

約数和(自身を除く): 55961418240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 62, 64, 72, 80, 89, 90, 93, 96, 107, 108, 120, 124, 128, 135, 144, 155, 160, 178, 180, 186, 192, 214, 216, 240, 248, 256, 267, 270, 279, 288, 310, 320, 321, 356, 360, 372, 384, 428, 432, 445, 465, 480, 496, 512, 534, 535, 540, 558, 576, 620, 640, 642, 712, 720, 744, 768, 801, 837, 856, 864, 890, 930, 960, 963, 992, 1068, 1070, 1080, 1116, 1152, 1240, 1280, 1284, 1335, 1395, 1424, 1440, 1488, 1536, 1602, 1605, 1674, 1712, 1728, 1780, 1860, 1920, 1926, 1984, 2136, 2140, 2160, 2232, 2304, 2403, 2480, 2560, 2568, 2670, 2759, 2790, 2848, 2880, 2889, 2976, 3204, 3210, 3317, 3348, 3424, 3456, 3560, 3720, 3840, 3852, 3968, 4005, 4185, 4272, 4280, 4320, 4464, 4608, 4806, 4815, 4960, 5136, 5340, 5518, 5580, 5696, 5760, 5778, 5952, 6408, 6420, 6634, 6696, 6848, 6912, 7120, 7440, 7680, 7704, 7936, 8010, 8277, 8370, 8544, 8560, 8640, 8928, 9523, 9612, 9630, 9920, 9951, 10272, 10680, 11036, 11160, 11392, 11520, 11556, 11904, 12015, 12816, 12840, 13268, 13392, 13696, 13795, 13824, 14240, 14445, 14880, 15408, 15872, 16020, 16554, 16585, 16740, 17088, 17120, 17280, 17856, 19046, 19224, 19260, 19840, 19902, 20544, 21360, 22072, 22320, 22784, 23040, 23112, 23808, 24030, 24831, 25632, 25680, 26536, 26784, 27392, 27590, 28480, 28569, 28890, 29760, 29853, 30816, 32040, 33108, 33170, 33480, 34176, 34240, 34560, 35712, 38092, 38448, 38520, 39680, 39804, 41088, 41385, 42720, 44144, 44640, 45568, 46224, 47615, 47616, 48060, 49662, 49755, 51264, 51360, 53072, 53568, 54784, 55180, 56960, 57138, 57780, 59520, 59706, 61632, 64080, 66216, 66340, 66960, 68352, 68480, 69120, 71424, 74493, 76184, 76896, 77040, 79360, 79608, 82176, 82770, 85440, 85707, 88288, 89280, 89559, 92448, 95230, 96120, 99324, 99510, 102528, 102720, 106144, 107136, 110360, 113920, 114276, 115560, 119040, 119412, 123264, 124155, 128160, 132432, 132680, 133920, 136704, 136960, 142845, 142848, 148986, 149265, 152368, 153792, 154080, 159216, 164352, 165540, 170880, 171414, 176576, 178560, 179118, 184896, 190460, 192240, 198648, 199020, 205056, 205440, 212288, 214272, 220720, 227840, 228552, 231120, 238080, 238824, 246528, 248310, 256320, 257121, 264864, 265360, 267840, 273920, 285690, 295213, 297972, 298530, 304736, 307584, 308160, 318432, 331080, 341760, 342828, 353152, 357120, 358236, 369792, 372465, 380920, 384480, 397296, 398040, 410112, 410880, 424576, 428535, 428544, 441440, 447795, 457104, 462240, 477648, 493056, 496620, 512640, 514242, 529728, 530720, 535680, 571380, 590426, 595944, 597060, 609472, 615168, 616320, 636864, 662160, 683520, 685656, 706304, 714240, 716472, 739584, 744930, 761840, 768960, 794592, 796080, 821760, 849152, 857070, 882880, 885639, 895590, 914208, 924480, 955296, 993240, 1025280, 1028484, 1059456, 1061440, 1071360, 1142760, 1180852, 1191888, 1194120, 1218944, 1230336, 1232640, 1273728, 1285605, 1324320, 1371312, 1412608, 1432944, 1476065, 1479168, 1489860, 1523680, 1537920, 1589184, 1592160, 1698304, 1714140, 1765760, 1771278, 1791180, 1828416, 1848960, 1910592, 1986480, 2050560, 2056968, 2118912, 2122880, 2142720, 2285520, 2361704, 2383776, 2388240, 2437888, 2465280, 2547456, 2571210, 2648640, 2656917, 2742624, 2865888, 2952130, 2979720, 3047360, 3075840, 3178368, 3184320, 3428280, 3531520, 3542556, 3582360, 3656832, 3697920, 3821184, 3972960, 4113936, 4237824, 4245760, 4428195, 4571040, 4723408, 4767552, 4776480, 4875776, 5094912, 5142420, 5297280, 5313834, 5485248, 5731776, 5904260, 5959440, 6094720, 6151680, 6356736, 6368640, 6856560, 7063040, 7085112, 7164720, 7313664, 7395840, 7642368, 7945920, 7970751, 8227872, 8491520, 8856390, 9142080, 9446816, 9535104, 9552960, 10284840, 10594560, 10627668, 10970496, 11463552, 11808520, 11918880, 12189440, 12713472, 12737280, 13284585, 13713120, 14170224, 14329440, 14627328, 15284736, 15891840, 15941502, 16455744, 17712780, 18284160, 18893632, 19070208, 19105920, 20569680, 21189120, 21255336, 21940992, 22927104, 23617040, 23837760, 24378880, 25474560, 26569170, 27426240, 28340448, 28658880, 31783680, 31883004, 32911488, 35425560, 36568320, 37787264, 38140416, 38211840, 39853755, 41139360, 42510672, 43881984, 45854208, 47234080, 47675520, 53138340, 54852480, 56680896, 57317760, 63567360, 63766008, 65822976, 70851120, 73136640, 75574528, 76423680, 79707510, 82278720, 85021344, 94468160, 95351040, 106276680, 109704960, 113361792, 114635520, 127532016, 131645952, 141702240, 151149056, 159415020, 164557440, 170042688, 188936320, 190702080, 212553360, 219409920, 226723584, 229271040, 255064032, 283404480, 318830040, 329114880, 340085376, 377872640, 425106720, 453447168, 510128064, 566808960, 637660080, 658229760, 680170752, 755745280, 850213440, 1020256128, 1133617920, 1275320160, 1360341504, 1700426880, 2040512256, 2267235840, 2550640320, 3400853760, 4081024512, 5101280640, 6801707520, 10202561280, 20405122560]

約数ペア:

[(1, 20405122560), (2, 10202561280), (3, 6801707520), (4, 5101280640), (5, 4081024512), (6, 3400853760), (8, 2550640320), (9, 2267235840), (10, 2040512256), (12, 1700426880), (15, 1360341504), (16, 1275320160), (18, 1133617920), (20, 1020256128), (24, 850213440), (27, 755745280), (30, 680170752), (31, 658229760), (32, 637660080), (36, 566808960), (40, 510128064), (45, 453447168), (48, 425106720), (54, 377872640), (60, 340085376), (62, 329114880), (64, 318830040), (72, 283404480), (80, 255064032), (89, 229271040), (90, 226723584), (93, 219409920), (96, 212553360), (107, 190702080), (108, 188936320), (120, 170042688), (124, 164557440), (128, 159415020), (135, 151149056), (144, 141702240), (155, 131645952), (160, 127532016), (178, 114635520), (180, 113361792), (186, 109704960), (192, 106276680), (214, 95351040), (216, 94468160), (240, 85021344), (248, 82278720), (256, 79707510), (267, 76423680), (270, 75574528), (279, 73136640), (288, 70851120), (310, 65822976), (320, 63766008), (321, 63567360), (356, 57317760), (360, 56680896), (372, 54852480), (384, 53138340), (428, 47675520), (432, 47234080), (445, 45854208), (465, 43881984), (480, 42510672), (496, 41139360), (512, 39853755), (534, 38211840), (535, 38140416), (540, 37787264), (558, 36568320), (576, 35425560), (620, 32911488), (640, 31883004), (642, 31783680), (712, 28658880), (720, 28340448), (744, 27426240), (768, 26569170), (801, 25474560), (837, 24378880), (856, 23837760), (864, 23617040), (890, 22927104), (930, 21940992), (960, 21255336), (963, 21189120), (992, 20569680), (1068, 19105920), (1070, 19070208), (1080, 18893632), (1116, 18284160), (1152, 17712780), (1240, 16455744), (1280, 15941502), (1284, 15891840), (1335, 15284736), (1395, 14627328), (1424, 14329440), (1440, 14170224), (1488, 13713120), (1536, 13284585), (1602, 12737280), (1605, 12713472), (1674, 12189440), (1712, 11918880), (1728, 11808520), (1780, 11463552), (1860, 10970496), (1920, 10627668), (1926, 10594560), (1984, 10284840), (2136, 9552960), (2140, 9535104), (2160, 9446816), (2232, 9142080), (2304, 8856390), (2403, 8491520), (2480, 8227872), (2560, 7970751), (2568, 7945920), (2670, 7642368), (2759, 7395840), (2790, 7313664), (2848, 7164720), (2880, 7085112), (2889, 7063040), (2976, 6856560), (3204, 6368640), (3210, 6356736), (3317, 6151680), (3348, 6094720), (3424, 5959440), (3456, 5904260), (3560, 5731776), (3720, 5485248), (3840, 5313834), (3852, 5297280), (3968, 5142420), (4005, 5094912), (4185, 4875776), (4272, 4776480), (4280, 4767552), (4320, 4723408), (4464, 4571040), (4608, 4428195), (4806, 4245760), (4815, 4237824), (4960, 4113936), (5136, 3972960), (5340, 3821184), (5518, 3697920), (5580, 3656832), (5696, 3582360), (5760, 3542556), (5778, 3531520), (5952, 3428280), (6408, 3184320), (6420, 3178368), (6634, 3075840), (6696, 3047360), (6848, 2979720), (6912, 2952130), (7120, 2865888), (7440, 2742624), (7680, 2656917), (7704, 2648640), (7936, 2571210), (8010, 2547456), (8277, 2465280), (8370, 2437888), (8544, 2388240), (8560, 2383776), (8640, 2361704), (8928, 2285520), (9523, 2142720), (9612, 2122880), (9630, 2118912), (9920, 2056968), (9951, 2050560), (10272, 1986480), (10680, 1910592), (11036, 1848960), (11160, 1828416), (11392, 1791180), (11520, 1771278), (11556, 1765760), (11904, 1714140), (12015, 1698304), (12816, 1592160), (12840, 1589184), (13268, 1537920), (13392, 1523680), (13696, 1489860), (13795, 1479168), (13824, 1476065), (14240, 1432944), (14445, 1412608), (14880, 1371312), (15408, 1324320), (15872, 1285605), (16020, 1273728), (16554, 1232640), (16585, 1230336), (16740, 1218944), (17088, 1194120), (17120, 1191888), (17280, 1180852), (17856, 1142760), (19046, 1071360), (19224, 1061440), (19260, 1059456), (19840, 1028484), (19902, 1025280), (20544, 993240), (21360, 955296), (22072, 924480), (22320, 914208), (22784, 895590), (23040, 885639), (23112, 882880), (23808, 857070), (24030, 849152), (24831, 821760), (25632, 796080), (25680, 794592), (26536, 768960), (26784, 761840), (27392, 744930), (27590, 739584), (28480, 716472), (28569, 714240), (28890, 706304), (29760, 685656), (29853, 683520), (30816, 662160), (32040, 636864), (33108, 616320), (33170, 615168), (33480, 609472), (34176, 597060), (34240, 595944), (34560, 590426), (35712, 571380), (38092, 535680), (38448, 530720), (38520, 529728), (39680, 514242), (39804, 512640), (41088, 496620), (41385, 493056), (42720, 477648), (44144, 462240), (44640, 457104), (45568, 447795), (46224, 441440), (47615, 428544), (47616, 428535), (48060, 424576), (49662, 410880), (49755, 410112), (51264, 398040), (51360, 397296), (53072, 384480), (53568, 380920), (54784, 372465), (55180, 369792), (56960, 358236), (57138, 357120), (57780, 353152), (59520, 342828), (59706, 341760), (61632, 331080), (64080, 318432), (66216, 308160), (66340, 307584), (66960, 304736), (68352, 298530), (68480, 297972), (69120, 295213), (71424, 285690), (74493, 273920), (76184, 267840), (76896, 265360), (77040, 264864), (79360, 257121), (79608, 256320), (82176, 248310), (82770, 246528), (85440, 238824), (85707, 238080), (88288, 231120), (89280, 228552), (89559, 227840), (92448, 220720), (95230, 214272), (96120, 212288), (99324, 205440), (99510, 205056), (102528, 199020), (102720, 198648), (106144, 192240), (107136, 190460), (110360, 184896), (113920, 179118), (114276, 178560), (115560, 176576), (119040, 171414), (119412, 170880), (123264, 165540), (124155, 164352), (128160, 159216), (132432, 154080), (132680, 153792), (133920, 152368), (136704, 149265), (136960, 148986), (142845, 142848)]