20481189120

素因数分解:

$2^8\times 3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2731}}^1$

素因数の和:2799

約数の個数: 576

約数和(自身を含む): 85773434880

約数和(自身を除く): 65292245760

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, 540, 558, 560, 576, 620, 630, 640, 651, 672, 720, 744, 756, 768, 837, 840, 864, 868, 896, 930, 945, 960, 992, 1008, 1080, 1085, 1116, 1120, 1152, 1240, 1260, 1280, 1302, 1344, 1395, 1440, 1488, 1512, 1674, 1680, 1728, 1736, 1792, 1860, 1890, 1920, 1953, 1984, 2016, 2160, 2170, 2232, 2240, 2304, 2480, 2520, 2604, 2688, 2731, 2790, 2880, 2976, 3024, 3255, 3348, 3360, 3456, 3472, 3720, 3780, 3840, 3906, 3968, 4032, 4185, 4320, 4340, 4464, 4480, 4960, 5040, 5208, 5376, 5462, 5580, 5760, 5859, 5952, 6048, 6510, 6696, 6720, 6912, 6944, 7440, 7560, 7812, 7936, 8064, 8193, 8370, 8640, 8680, 8928, 8960, 9765, 9920, 10080, 10416, 10924, 11160, 11520, 11718, 11904, 12096, 13020, 13392, 13440, 13655, 13888, 14880, 15120, 15624, 16128, 16386, 16740, 17280, 17360, 17856, 19117, 19530, 19840, 20160, 20832, 21848, 22320, 23436, 23808, 24192, 24579, 26040, 26784, 26880, 27310, 27776, 29295, 29760, 30240, 31248, 32772, 33480, 34560, 34720, 35712, 38234, 39060, 39680, 40320, 40965, 41664, 43696, 44640, 46872, 48384, 49158, 52080, 53568, 54620, 55552, 57351, 58590, 59520, 60480, 62496, 65544, 66960, 69440, 71424, 73737, 76468, 78120, 80640, 81930, 83328, 84661, 87392, 89280, 93744, 95585, 98316, 104160, 107136, 109240, 114702, 117180, 119040, 120960, 122895, 124992, 131088, 133920, 138880, 147474, 152936, 156240, 163860, 166656, 169322, 172053, 174784, 178560, 187488, 191170, 196632, 208320, 214272, 218480, 229404, 234360, 241920, 245790, 249984, 253983, 262176, 267840, 277760, 286755, 294948, 305872, 312480, 327720, 338644, 344106, 349568, 357120, 368685, 374976, 382340, 393264, 416640, 423305, 436960, 458808, 468720, 491580, 499968, 507966, 516159, 524352, 535680, 573510, 589896, 592627, 611744, 624960, 655440, 677288, 688212, 699136, 737370, 749952, 761949, 764680, 786528, 833280, 846610, 860265, 873920, 917616, 937440, 983160, 1015932, 1032318, 1048704, 1071360, 1147020, 1179792, 1185254, 1223488, 1249920, 1269915, 1310880, 1354576, 1376424, 1474740, 1499904, 1523898, 1529360, 1573056, 1693220, 1720530, 1747840, 1777881, 1835232, 1874880, 1966320, 2031864, 2064636, 2097408, 2285847, 2294040, 2359584, 2370508, 2446976, 2499840, 2539830, 2580795, 2621760, 2709152, 2752848, 2949480, 2963135, 3047796, 3058720, 3146112, 3386440, 3441060, 3495680, 3555762, 3670464, 3749760, 3809745, 3932640, 4063728, 4129272, 4571694, 4588080, 4719168, 4741016, 4893952, 5079660, 5161590, 5243520, 5333643, 5418304, 5505696, 5898960, 5926270, 6095592, 6117440, 6292224, 6772880, 6882120, 7111524, 7340928, 7499520, 7619490, 7865280, 8127456, 8258544, 8889405, 9143388, 9176160, 9438336, 9482032, 10159320, 10323180, 10487040, 10667286, 10836608, 11011392, 11429235, 11797920, 11852540, 12191184, 12234880, 13545760, 13764240, 14223048, 14681856, 15238980, 15730560, 16000929, 16254912, 16517088, 17778810, 18286776, 18352320, 18876672, 18964064, 20318640, 20646360, 21334572, 21673216, 22022784, 22858470, 23595840, 23705080, 24382368, 24469760, 26668215, 27091520, 27528480, 28446096, 30477960, 31461120, 32001858, 32509824, 33034176, 35557620, 36573552, 36704640, 37928128, 40637280, 41292720, 42669144, 44045568, 45716940, 47191680, 47410160, 48764736, 53336430, 54183040, 55056960, 56892192, 60955920, 64003716, 65019648, 66068352, 71115240, 73147104, 73409280, 75856256, 80004645, 81274560, 82585440, 85338288, 91433880, 94383360, 94820320, 97529472, 106672860, 108366080, 110113920, 113784384, 121911840, 128007432, 132136704, 142230480, 146294208, 151712512, 160009290, 162549120, 165170880, 170676576, 182867760, 189640640, 195058944, 213345720, 220227840, 227568768, 243823680, 256014864, 284460960, 292588416, 320018580, 325098240, 330341760, 341353152, 365735520, 379281280, 426691440, 455137536, 487647360, 512029728, 568921920, 585176832, 640037160, 660683520, 682706304, 731471040, 758562560, 853382880, 975294720, 1024059456, 1137843840, 1280074320, 1365412608, 1462942080, 1706765760, 2048118912, 2275687680, 2560148640, 2925884160, 3413531520, 4096237824, 5120297280, 6827063040, 10240594560, 20481189120]

約数ペア:

[(1, 20481189120), (2, 10240594560), (3, 6827063040), (4, 5120297280), (5, 4096237824), (6, 3413531520), (7, 2925884160), (8, 2560148640), (9, 2275687680), (10, 2048118912), (12, 1706765760), (14, 1462942080), (15, 1365412608), (16, 1280074320), (18, 1137843840), (20, 1024059456), (21, 975294720), (24, 853382880), (27, 758562560), (28, 731471040), (30, 682706304), (31, 660683520), (32, 640037160), (35, 585176832), (36, 568921920), (40, 512029728), (42, 487647360), (45, 455137536), (48, 426691440), (54, 379281280), (56, 365735520), (60, 341353152), (62, 330341760), (63, 325098240), (64, 320018580), (70, 292588416), (72, 284460960), (80, 256014864), (84, 243823680), (90, 227568768), (93, 220227840), (96, 213345720), (105, 195058944), (108, 189640640), (112, 182867760), (120, 170676576), (124, 165170880), (126, 162549120), (128, 160009290), (135, 151712512), (140, 146294208), (144, 142230480), (155, 132136704), (160, 128007432), (168, 121911840), (180, 113784384), (186, 110113920), (189, 108366080), (192, 106672860), (210, 97529472), (216, 94820320), (217, 94383360), (224, 91433880), (240, 85338288), (248, 82585440), (252, 81274560), (256, 80004645), (270, 75856256), (279, 73409280), (280, 73147104), (288, 71115240), (310, 66068352), (315, 65019648), (320, 64003716), (336, 60955920), (360, 56892192), (372, 55056960), (378, 54183040), (384, 53336430), (420, 48764736), (432, 47410160), (434, 47191680), (448, 45716940), (465, 44045568), (480, 42669144), (496, 41292720), (504, 40637280), (540, 37928128), (558, 36704640), (560, 36573552), (576, 35557620), (620, 33034176), (630, 32509824), (640, 32001858), (651, 31461120), (672, 30477960), (720, 28446096), (744, 27528480), (756, 27091520), (768, 26668215), (837, 24469760), (840, 24382368), (864, 23705080), (868, 23595840), (896, 22858470), (930, 22022784), (945, 21673216), (960, 21334572), (992, 20646360), (1008, 20318640), (1080, 18964064), (1085, 18876672), (1116, 18352320), (1120, 18286776), (1152, 17778810), (1240, 16517088), (1260, 16254912), (1280, 16000929), (1302, 15730560), (1344, 15238980), (1395, 14681856), (1440, 14223048), (1488, 13764240), (1512, 13545760), (1674, 12234880), (1680, 12191184), (1728, 11852540), (1736, 11797920), (1792, 11429235), (1860, 11011392), (1890, 10836608), (1920, 10667286), (1953, 10487040), (1984, 10323180), (2016, 10159320), (2160, 9482032), (2170, 9438336), (2232, 9176160), (2240, 9143388), (2304, 8889405), (2480, 8258544), (2520, 8127456), (2604, 7865280), (2688, 7619490), (2731, 7499520), (2790, 7340928), (2880, 7111524), (2976, 6882120), (3024, 6772880), (3255, 6292224), (3348, 6117440), (3360, 6095592), (3456, 5926270), (3472, 5898960), (3720, 5505696), (3780, 5418304), (3840, 5333643), (3906, 5243520), (3968, 5161590), (4032, 5079660), (4185, 4893952), (4320, 4741016), (4340, 4719168), (4464, 4588080), (4480, 4571694), (4960, 4129272), (5040, 4063728), (5208, 3932640), (5376, 3809745), (5462, 3749760), (5580, 3670464), (5760, 3555762), (5859, 3495680), (5952, 3441060), (6048, 3386440), (6510, 3146112), (6696, 3058720), (6720, 3047796), (6912, 2963135), (6944, 2949480), (7440, 2752848), (7560, 2709152), (7812, 2621760), (7936, 2580795), (8064, 2539830), (8193, 2499840), (8370, 2446976), (8640, 2370508), (8680, 2359584), (8928, 2294040), (8960, 2285847), (9765, 2097408), (9920, 2064636), (10080, 2031864), (10416, 1966320), (10924, 1874880), (11160, 1835232), (11520, 1777881), (11718, 1747840), (11904, 1720530), (12096, 1693220), (13020, 1573056), (13392, 1529360), (13440, 1523898), (13655, 1499904), (13888, 1474740), (14880, 1376424), (15120, 1354576), (15624, 1310880), (16128, 1269915), (16386, 1249920), (16740, 1223488), (17280, 1185254), (17360, 1179792), (17856, 1147020), (19117, 1071360), (19530, 1048704), (19840, 1032318), (20160, 1015932), (20832, 983160), (21848, 937440), (22320, 917616), (23436, 873920), (23808, 860265), (24192, 846610), (24579, 833280), (26040, 786528), (26784, 764680), (26880, 761949), (27310, 749952), (27776, 737370), (29295, 699136), (29760, 688212), (30240, 677288), (31248, 655440), (32772, 624960), (33480, 611744), (34560, 592627), (34720, 589896), (35712, 573510), (38234, 535680), (39060, 524352), (39680, 516159), (40320, 507966), (40965, 499968), (41664, 491580), (43696, 468720), (44640, 458808), (46872, 436960), (48384, 423305), (49158, 416640), (52080, 393264), (53568, 382340), (54620, 374976), (55552, 368685), (57351, 357120), (58590, 349568), (59520, 344106), (60480, 338644), (62496, 327720), (65544, 312480), (66960, 305872), (69440, 294948), (71424, 286755), (73737, 277760), (76468, 267840), (78120, 262176), (80640, 253983), (81930, 249984), (83328, 245790), (84661, 241920), (87392, 234360), (89280, 229404), (93744, 218480), (95585, 214272), (98316, 208320), (104160, 196632), (107136, 191170), (109240, 187488), (114702, 178560), (117180, 174784), (119040, 172053), (120960, 169322), (122895, 166656), (124992, 163860), (131088, 156240), (133920, 152936), (138880, 147474)]