20728673280

素因数分解:

$2^{10}\times 3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{691}}^1$

素因数の和:763

約数の個数: 704

約数和(自身を含む): 87031234560

約数和(自身を除く): 66302561280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 31, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 62, 63, 64, 70, 72, 80, 84, 90, 93, 96, 105, 108, 112, 120, 124, 126, 128, 135, 140, 144, 155, 160, 168, 180, 186, 189, 192, 210, 216, 217, 224, 240, 248, 252, 256, 270, 279, 280, 288, 310, 315, 320, 336, 360, 372, 378, 384, 420, 432, 434, 448, 465, 480, 496, 504, 512, 540, 558, 560, 576, 620, 630, 640, 651, 672, 691, 720, 744, 756, 768, 837, 840, 864, 868, 896, 930, 945, 960, 992, 1008, 1024, 1080, 1085, 1116, 1120, 1152, 1240, 1260, 1280, 1302, 1344, 1382, 1395, 1440, 1488, 1512, 1536, 1674, 1680, 1728, 1736, 1792, 1860, 1890, 1920, 1953, 1984, 2016, 2073, 2160, 2170, 2232, 2240, 2304, 2480, 2520, 2560, 2604, 2688, 2764, 2790, 2880, 2976, 3024, 3072, 3255, 3348, 3360, 3455, 3456, 3472, 3584, 3720, 3780, 3840, 3906, 3968, 4032, 4146, 4185, 4320, 4340, 4464, 4480, 4608, 4837, 4960, 5040, 5120, 5208, 5376, 5528, 5580, 5760, 5859, 5952, 6048, 6219, 6510, 6696, 6720, 6910, 6912, 6944, 7168, 7440, 7560, 7680, 7812, 7936, 8064, 8292, 8370, 8640, 8680, 8928, 8960, 9216, 9674, 9765, 9920, 10080, 10365, 10416, 10752, 11056, 11160, 11520, 11718, 11904, 12096, 12438, 13020, 13392, 13440, 13820, 13824, 13888, 14511, 14880, 15120, 15360, 15624, 15872, 16128, 16584, 16740, 17280, 17360, 17856, 17920, 18657, 19348, 19530, 19840, 20160, 20730, 20832, 21421, 21504, 22112, 22320, 23040, 23436, 23808, 24185, 24192, 24876, 26040, 26784, 26880, 27640, 27648, 27776, 29022, 29295, 29760, 30240, 31095, 31248, 31744, 32256, 33168, 33480, 34560, 34720, 35712, 35840, 37314, 38696, 39060, 39680, 40320, 41460, 41664, 42842, 43533, 44224, 44640, 46080, 46872, 47616, 48370, 48384, 49752, 52080, 53568, 53760, 55280, 55552, 58044, 58590, 59520, 60480, 62190, 62496, 64263, 64512, 66336, 66960, 69120, 69440, 71424, 72555, 74628, 77392, 78120, 79360, 80640, 82920, 83328, 85684, 87066, 88448, 89280, 93285, 93744, 95232, 96740, 96768, 99504, 104160, 107105, 107136, 107520, 110560, 111104, 116088, 117180, 119040, 120960, 124380, 124992, 128526, 130599, 132672, 133920, 138240, 138880, 142848, 145110, 149256, 149947, 154784, 156240, 158720, 161280, 165840, 166656, 171368, 174132, 176896, 178560, 186570, 187488, 192789, 193480, 193536, 199008, 208320, 214210, 214272, 217665, 221120, 222208, 232176, 234360, 238080, 241920, 248760, 249984, 257052, 261198, 265344, 267840, 277760, 285696, 290220, 298512, 299894, 309568, 312480, 321315, 322560, 331680, 333312, 342736, 348264, 353792, 357120, 373140, 374976, 385578, 386960, 398016, 416640, 428420, 428544, 435330, 442240, 449841, 464352, 468720, 476160, 483840, 497520, 499968, 514104, 522396, 530688, 535680, 555520, 578367, 580440, 597024, 599788, 619136, 624960, 642630, 652995, 663360, 666624, 685472, 696528, 707584, 714240, 746280, 749735, 749952, 771156, 773920, 796032, 833280, 856840, 857088, 870660, 884480, 899682, 928704, 937440, 963945, 967680, 995040, 999936, 1028208, 1044792, 1061376, 1071360, 1111040, 1156734, 1160880, 1194048, 1199576, 1238272, 1249920, 1285260, 1305990, 1326720, 1349523, 1370944, 1393056, 1428480, 1492560, 1499470, 1499904, 1542312, 1547840, 1592064, 1666560, 1713680, 1741320, 1768960, 1799364, 1857408, 1874880, 1927890, 1990080, 1999872, 2056416, 2089584, 2122752, 2142720, 2249205, 2313468, 2321760, 2388096, 2399152, 2476544, 2499840, 2570520, 2611980, 2653440, 2699046, 2741888, 2786112, 2891835, 2985120, 2998940, 2999808, 3084624, 3095680, 3184128, 3333120, 3427360, 3482640, 3537920, 3598728, 3714816, 3749760, 3855780, 3980160, 4048569, 4112832, 4179168, 4285440, 4498410, 4626936, 4643520, 4776192, 4798304, 4953088, 4999680, 5141040, 5223960, 5306880, 5398092, 5483776, 5572224, 5783670, 5970240, 5997880, 5999616, 6169248, 6191360, 6368256, 6747615, 6854720, 6965280, 7197456, 7429632, 7499520, 7711560, 7960320, 8097138, 8225664, 8358336, 8996820, 9253872, 9287040, 9552384, 9596608, 9999360, 10282080, 10447920, 10613760, 10796184, 10967552, 11144448, 11567340, 11940480, 11995760, 12338496, 12382720, 13495230, 13709440, 13930560, 14394912, 14859264, 14999040, 15423120, 15920640, 16194276, 16451328, 16716672, 17993640, 18507744, 18574080, 19104768, 19193216, 20242845, 20564160, 20895840, 21592368, 21935104, 22288896, 23134680, 23880960, 23991520, 24676992, 24765440, 26990460, 27418880, 27861120, 28789824, 29998080, 30846240, 31841280, 32388552, 32902656, 33433344, 35987280, 37015488, 37148160, 38386432, 40485690, 41128320, 41791680, 43184736, 44577792, 46269360, 47761920, 47983040, 49353984, 53980920, 54837760, 55722240, 57579648, 61692480, 64777104, 65805312, 66866688, 71974560, 74030976, 74296320, 76772864, 80971380, 82256640, 83583360, 86369472, 92538720, 95523840, 95966080, 98707968, 107961840, 109675520, 111444480, 115159296, 123384960, 129554208, 133733376, 143949120, 148061952, 153545728, 161942760, 164513280, 167166720, 172738944, 185077440, 191932160, 197415936, 215923680, 222888960, 230318592, 246769920, 259108416, 287898240, 296123904, 323885520, 329026560, 334333440, 345477888, 370154880, 383864320, 431847360, 460637184, 493539840, 518216832, 575796480, 592247808, 647771040, 668666880, 690955776, 740309760, 767728640, 863694720, 987079680, 1036433664, 1151592960, 1295542080, 1381911552, 1480619520, 1727389440, 2072867328, 2303185920, 2591084160, 2961239040, 3454778880, 4145734656, 5182168320, 6909557760, 10364336640, 20728673280]

約数ペア:

[(1, 20728673280), (2, 10364336640), (3, 6909557760), (4, 5182168320), (5, 4145734656), (6, 3454778880), (7, 2961239040), (8, 2591084160), (9, 2303185920), (10, 2072867328), (12, 1727389440), (14, 1480619520), (15, 1381911552), (16, 1295542080), (18, 1151592960), (20, 1036433664), (21, 987079680), (24, 863694720), (27, 767728640), (28, 740309760), (30, 690955776), (31, 668666880), (32, 647771040), (35, 592247808), (36, 575796480), (40, 518216832), (42, 493539840), (45, 460637184), (48, 431847360), (54, 383864320), (56, 370154880), (60, 345477888), (62, 334333440), (63, 329026560), (64, 323885520), (70, 296123904), (72, 287898240), (80, 259108416), (84, 246769920), (90, 230318592), (93, 222888960), (96, 215923680), (105, 197415936), (108, 191932160), (112, 185077440), (120, 172738944), (124, 167166720), (126, 164513280), (128, 161942760), (135, 153545728), (140, 148061952), (144, 143949120), (155, 133733376), (160, 129554208), (168, 123384960), (180, 115159296), (186, 111444480), (189, 109675520), (192, 107961840), (210, 98707968), (216, 95966080), (217, 95523840), (224, 92538720), (240, 86369472), (248, 83583360), (252, 82256640), (256, 80971380), (270, 76772864), (279, 74296320), (280, 74030976), (288, 71974560), (310, 66866688), (315, 65805312), (320, 64777104), (336, 61692480), (360, 57579648), (372, 55722240), (378, 54837760), (384, 53980920), (420, 49353984), (432, 47983040), (434, 47761920), (448, 46269360), (465, 44577792), (480, 43184736), (496, 41791680), (504, 41128320), (512, 40485690), (540, 38386432), (558, 37148160), (560, 37015488), (576, 35987280), (620, 33433344), (630, 32902656), (640, 32388552), (651, 31841280), (672, 30846240), (691, 29998080), (720, 28789824), (744, 27861120), (756, 27418880), (768, 26990460), (837, 24765440), (840, 24676992), (864, 23991520), (868, 23880960), (896, 23134680), (930, 22288896), (945, 21935104), (960, 21592368), (992, 20895840), (1008, 20564160), (1024, 20242845), (1080, 19193216), (1085, 19104768), (1116, 18574080), (1120, 18507744), (1152, 17993640), (1240, 16716672), (1260, 16451328), (1280, 16194276), (1302, 15920640), (1344, 15423120), (1382, 14999040), (1395, 14859264), (1440, 14394912), (1488, 13930560), (1512, 13709440), (1536, 13495230), (1674, 12382720), (1680, 12338496), (1728, 11995760), (1736, 11940480), (1792, 11567340), (1860, 11144448), (1890, 10967552), (1920, 10796184), (1953, 10613760), (1984, 10447920), (2016, 10282080), (2073, 9999360), (2160, 9596608), (2170, 9552384), (2232, 9287040), (2240, 9253872), (2304, 8996820), (2480, 8358336), (2520, 8225664), (2560, 8097138), (2604, 7960320), (2688, 7711560), (2764, 7499520), (2790, 7429632), (2880, 7197456), (2976, 6965280), (3024, 6854720), (3072, 6747615), (3255, 6368256), (3348, 6191360), (3360, 6169248), (3455, 5999616), (3456, 5997880), (3472, 5970240), (3584, 5783670), (3720, 5572224), (3780, 5483776), (3840, 5398092), (3906, 5306880), (3968, 5223960), (4032, 5141040), (4146, 4999680), (4185, 4953088), (4320, 4798304), (4340, 4776192), (4464, 4643520), (4480, 4626936), (4608, 4498410), (4837, 4285440), (4960, 4179168), (5040, 4112832), (5120, 4048569), (5208, 3980160), (5376, 3855780), (5528, 3749760), (5580, 3714816), (5760, 3598728), (5859, 3537920), (5952, 3482640), (6048, 3427360), (6219, 3333120), (6510, 3184128), (6696, 3095680), (6720, 3084624), (6910, 2999808), (6912, 2998940), (6944, 2985120), (7168, 2891835), (7440, 2786112), (7560, 2741888), (7680, 2699046), (7812, 2653440), (7936, 2611980), (8064, 2570520), (8292, 2499840), (8370, 2476544), (8640, 2399152), (8680, 2388096), (8928, 2321760), (8960, 2313468), (9216, 2249205), (9674, 2142720), (9765, 2122752), (9920, 2089584), (10080, 2056416), (10365, 1999872), (10416, 1990080), (10752, 1927890), (11056, 1874880), (11160, 1857408), (11520, 1799364), (11718, 1768960), (11904, 1741320), (12096, 1713680), (12438, 1666560), (13020, 1592064), (13392, 1547840), (13440, 1542312), (13820, 1499904), (13824, 1499470), (13888, 1492560), (14511, 1428480), (14880, 1393056), (15120, 1370944), (15360, 1349523), (15624, 1326720), (15872, 1305990), (16128, 1285260), (16584, 1249920), (16740, 1238272), (17280, 1199576), (17360, 1194048), (17856, 1160880), (17920, 1156734), (18657, 1111040), (19348, 1071360), (19530, 1061376), (19840, 1044792), (20160, 1028208), (20730, 999936), (20832, 995040), (21421, 967680), (21504, 963945), (22112, 937440), (22320, 928704), (23040, 899682), (23436, 884480), (23808, 870660), (24185, 857088), (24192, 856840), (24876, 833280), (26040, 796032), (26784, 773920), (26880, 771156), (27640, 749952), (27648, 749735), (27776, 746280), (29022, 714240), (29295, 707584), (29760, 696528), (30240, 685472), (31095, 666624), (31248, 663360), (31744, 652995), (32256, 642630), (33168, 624960), (33480, 619136), (34560, 599788), (34720, 597024), (35712, 580440), (35840, 578367), (37314, 555520), (38696, 535680), (39060, 530688), (39680, 522396), (40320, 514104), (41460, 499968), (41664, 497520), (42842, 483840), (43533, 476160), (44224, 468720), (44640, 464352), (46080, 449841), (46872, 442240), (47616, 435330), (48370, 428544), (48384, 428420), (49752, 416640), (52080, 398016), (53568, 386960), (53760, 385578), (55280, 374976), (55552, 373140), (58044, 357120), (58590, 353792), (59520, 348264), (60480, 342736), (62190, 333312), (62496, 331680), (64263, 322560), (64512, 321315), (66336, 312480), (66960, 309568), (69120, 299894), (69440, 298512), (71424, 290220), (72555, 285696), (74628, 277760), (77392, 267840), (78120, 265344), (79360, 261198), (80640, 257052), (82920, 249984), (83328, 248760), (85684, 241920), (87066, 238080), (88448, 234360), (89280, 232176), (93285, 222208), (93744, 221120), (95232, 217665), (96740, 214272), (96768, 214210), (99504, 208320), (104160, 199008), (107105, 193536), (107136, 193480), (107520, 192789), (110560, 187488), (111104, 186570), (116088, 178560), (117180, 176896), (119040, 174132), (120960, 171368), (124380, 166656), (124992, 165840), (128526, 161280), (130599, 158720), (132672, 156240), (133920, 154784), (138240, 149947), (138880, 149256), (142848, 145110)]