20428216320

素因数分解:

$2^{11}\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1129}}^1$

素因数の和:1209

約数の個数: 384

約数和(自身を含む): 71076096000

約数和(自身を除く): 50647879680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 31, 32, 38, 40, 48, 57, 60, 62, 64, 76, 80, 93, 95, 96, 114, 120, 124, 128, 152, 155, 160, 186, 190, 192, 228, 240, 248, 256, 285, 304, 310, 320, 372, 380, 384, 456, 465, 480, 496, 512, 570, 589, 608, 620, 640, 744, 760, 768, 912, 930, 960, 992, 1024, 1129, 1140, 1178, 1216, 1240, 1280, 1488, 1520, 1536, 1767, 1824, 1860, 1920, 1984, 2048, 2258, 2280, 2356, 2432, 2480, 2560, 2945, 2976, 3040, 3072, 3387, 3534, 3648, 3720, 3840, 3968, 4516, 4560, 4712, 4864, 4960, 5120, 5645, 5890, 5952, 6080, 6144, 6774, 7068, 7296, 7440, 7680, 7936, 8835, 9032, 9120, 9424, 9728, 9920, 10240, 11290, 11780, 11904, 12160, 13548, 14136, 14592, 14880, 15360, 15872, 16935, 17670, 18064, 18240, 18848, 19456, 19840, 21451, 22580, 23560, 23808, 24320, 27096, 28272, 29184, 29760, 30720, 31744, 33870, 34999, 35340, 36128, 36480, 37696, 38912, 39680, 42902, 45160, 47120, 47616, 48640, 54192, 56544, 58368, 59520, 63488, 64353, 67740, 69998, 70680, 72256, 72960, 75392, 79360, 85804, 90320, 94240, 95232, 97280, 104997, 107255, 108384, 113088, 116736, 119040, 128706, 135480, 139996, 141360, 144512, 145920, 150784, 158720, 171608, 174995, 180640, 188480, 190464, 194560, 209994, 214510, 216768, 226176, 238080, 257412, 270960, 279992, 282720, 289024, 291840, 301568, 317440, 321765, 343216, 349990, 361280, 376960, 419988, 429020, 433536, 452352, 476160, 514824, 524985, 541920, 559984, 565440, 578048, 583680, 603136, 643530, 664981, 686432, 699980, 722560, 753920, 839976, 858040, 867072, 904704, 952320, 1029648, 1049970, 1083840, 1119968, 1130880, 1156096, 1206272, 1287060, 1329962, 1372864, 1399960, 1445120, 1507840, 1679952, 1716080, 1734144, 1809408, 1994943, 2059296, 2099940, 2167680, 2239936, 2261760, 2312192, 2574120, 2659924, 2745728, 2799920, 2890240, 3015680, 3324905, 3359904, 3432160, 3468288, 3618816, 3989886, 4118592, 4199880, 4335360, 4479872, 4523520, 5148240, 5319848, 5491456, 5599840, 5780480, 6031360, 6649810, 6719808, 6864320, 6936576, 7979772, 8237184, 8399760, 8670720, 8959744, 9047040, 9974715, 10296480, 10639696, 10982912, 11199680, 11560960, 13299620, 13439616, 13728640, 15959544, 16474368, 16799520, 17341440, 17919488, 18094080, 19949430, 20592960, 21279392, 21965824, 22399360, 26599240, 26879232, 27457280, 31919088, 32948736, 33599040, 34682880, 35838976, 39898860, 41185920, 42558784, 43931648, 44798720, 53198480, 53758464, 54914560, 63838176, 65897472, 67198080, 71677952, 79797720, 82371840, 85117568, 89597440, 106396960, 107516928, 109829120, 127676352, 131794944, 134396160, 159595440, 164743680, 170235136, 179194880, 212793920, 215033856, 219658240, 255352704, 268792320, 319190880, 329487360, 340470272, 358389760, 425587840, 510705408, 537584640, 638381760, 658974720, 680940544, 851175680, 1021410816, 1075169280, 1276763520, 1361881088, 1702351360, 2042821632, 2553527040, 3404702720, 4085643264, 5107054080, 6809405440, 10214108160, 20428216320]

約数ペア:

[(1, 20428216320), (2, 10214108160), (3, 6809405440), (4, 5107054080), (5, 4085643264), (6, 3404702720), (8, 2553527040), (10, 2042821632), (12, 1702351360), (15, 1361881088), (16, 1276763520), (19, 1075169280), (20, 1021410816), (24, 851175680), (30, 680940544), (31, 658974720), (32, 638381760), (38, 537584640), (40, 510705408), (48, 425587840), (57, 358389760), (60, 340470272), (62, 329487360), (64, 319190880), (76, 268792320), (80, 255352704), (93, 219658240), (95, 215033856), (96, 212793920), (114, 179194880), (120, 170235136), (124, 164743680), (128, 159595440), (152, 134396160), (155, 131794944), (160, 127676352), (186, 109829120), (190, 107516928), (192, 106396960), (228, 89597440), (240, 85117568), (248, 82371840), (256, 79797720), (285, 71677952), (304, 67198080), (310, 65897472), (320, 63838176), (372, 54914560), (380, 53758464), (384, 53198480), (456, 44798720), (465, 43931648), (480, 42558784), (496, 41185920), (512, 39898860), (570, 35838976), (589, 34682880), (608, 33599040), (620, 32948736), (640, 31919088), (744, 27457280), (760, 26879232), (768, 26599240), (912, 22399360), (930, 21965824), (960, 21279392), (992, 20592960), (1024, 19949430), (1129, 18094080), (1140, 17919488), (1178, 17341440), (1216, 16799520), (1240, 16474368), (1280, 15959544), (1488, 13728640), (1520, 13439616), (1536, 13299620), (1767, 11560960), (1824, 11199680), (1860, 10982912), (1920, 10639696), (1984, 10296480), (2048, 9974715), (2258, 9047040), (2280, 8959744), (2356, 8670720), (2432, 8399760), (2480, 8237184), (2560, 7979772), (2945, 6936576), (2976, 6864320), (3040, 6719808), (3072, 6649810), (3387, 6031360), (3534, 5780480), (3648, 5599840), (3720, 5491456), (3840, 5319848), (3968, 5148240), (4516, 4523520), (4560, 4479872), (4712, 4335360), (4864, 4199880), (4960, 4118592), (5120, 3989886), (5645, 3618816), (5890, 3468288), (5952, 3432160), (6080, 3359904), (6144, 3324905), (6774, 3015680), (7068, 2890240), (7296, 2799920), (7440, 2745728), (7680, 2659924), (7936, 2574120), (8835, 2312192), (9032, 2261760), (9120, 2239936), (9424, 2167680), (9728, 2099940), (9920, 2059296), (10240, 1994943), (11290, 1809408), (11780, 1734144), (11904, 1716080), (12160, 1679952), (13548, 1507840), (14136, 1445120), (14592, 1399960), (14880, 1372864), (15360, 1329962), (15872, 1287060), (16935, 1206272), (17670, 1156096), (18064, 1130880), (18240, 1119968), (18848, 1083840), (19456, 1049970), (19840, 1029648), (21451, 952320), (22580, 904704), (23560, 867072), (23808, 858040), (24320, 839976), (27096, 753920), (28272, 722560), (29184, 699980), (29760, 686432), (30720, 664981), (31744, 643530), (33870, 603136), (34999, 583680), (35340, 578048), (36128, 565440), (36480, 559984), (37696, 541920), (38912, 524985), (39680, 514824), (42902, 476160), (45160, 452352), (47120, 433536), (47616, 429020), (48640, 419988), (54192, 376960), (56544, 361280), (58368, 349990), (59520, 343216), (63488, 321765), (64353, 317440), (67740, 301568), (69998, 291840), (70680, 289024), (72256, 282720), (72960, 279992), (75392, 270960), (79360, 257412), (85804, 238080), (90320, 226176), (94240, 216768), (95232, 214510), (97280, 209994), (104997, 194560), (107255, 190464), (108384, 188480), (113088, 180640), (116736, 174995), (119040, 171608), (128706, 158720), (135480, 150784), (139996, 145920), (141360, 144512)]