20721415680

素因数分解:

$2^9\times 3^3\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{379}}^1$

素因数の和:531

約数の個数: 640

約数和(自身を含む): 85087411200

約数和(自身を除く): 64365995520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 113, 120, 126, 128, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 226, 240, 252, 256, 270, 280, 288, 315, 320, 336, 339, 360, 378, 379, 384, 420, 432, 448, 452, 480, 504, 512, 540, 560, 565, 576, 630, 640, 672, 678, 720, 756, 758, 768, 791, 840, 864, 896, 904, 945, 960, 1008, 1017, 1080, 1120, 1130, 1137, 1152, 1260, 1280, 1344, 1356, 1440, 1512, 1516, 1536, 1582, 1680, 1695, 1728, 1792, 1808, 1890, 1895, 1920, 2016, 2034, 2160, 2240, 2260, 2274, 2304, 2373, 2520, 2560, 2653, 2688, 2712, 2880, 3024, 3032, 3051, 3164, 3360, 3390, 3411, 3456, 3584, 3616, 3780, 3790, 3840, 3955, 4032, 4068, 4320, 4480, 4520, 4548, 4608, 4746, 5040, 5085, 5306, 5376, 5424, 5685, 5760, 6048, 6064, 6102, 6328, 6720, 6780, 6822, 6912, 7119, 7232, 7560, 7580, 7680, 7910, 7959, 8064, 8136, 8640, 8960, 9040, 9096, 9492, 10080, 10170, 10233, 10612, 10752, 10848, 11370, 11520, 11865, 12096, 12128, 12204, 12656, 13265, 13440, 13560, 13644, 13824, 14238, 14464, 15120, 15160, 15255, 15820, 15918, 16128, 16272, 17055, 17280, 17920, 18080, 18192, 18984, 20160, 20340, 20466, 21224, 21357, 21696, 22740, 23040, 23730, 23877, 24192, 24256, 24408, 25312, 26530, 26880, 27120, 27288, 28476, 28928, 30240, 30320, 30510, 31640, 31836, 32256, 32544, 34110, 34560, 35595, 36160, 36384, 37968, 39795, 40320, 40680, 40932, 42448, 42714, 42827, 43392, 45480, 47460, 47754, 48384, 48512, 48816, 50624, 51165, 53060, 53760, 54240, 54576, 56952, 57856, 60480, 60640, 61020, 63280, 63672, 65088, 68220, 69120, 71190, 71631, 72320, 72768, 75936, 79590, 80640, 81360, 81864, 84896, 85428, 85654, 86784, 90960, 94920, 95508, 96768, 97024, 97632, 101248, 102330, 106120, 106785, 108480, 109152, 113904, 119385, 120960, 121280, 122040, 126560, 127344, 128481, 130176, 136440, 142380, 143262, 144640, 145536, 151872, 159180, 161280, 162720, 163728, 169792, 170856, 171308, 173568, 181920, 189840, 191016, 194048, 195264, 202496, 204660, 212240, 213570, 214135, 216960, 218304, 227808, 238770, 241920, 242560, 244080, 253120, 254688, 256962, 260352, 272880, 284760, 286524, 289280, 291072, 299789, 303744, 318360, 325440, 327456, 339584, 341712, 342616, 358155, 363840, 379680, 382032, 385443, 390528, 404992, 409320, 424480, 427140, 428270, 433920, 436608, 455616, 477540, 483840, 485120, 488160, 506240, 509376, 513924, 520704, 545760, 569520, 573048, 582144, 599578, 607488, 636720, 642405, 650880, 654912, 679168, 683424, 685232, 716310, 727680, 759360, 764064, 770886, 781056, 818640, 848960, 854280, 856540, 867840, 873216, 899367, 911232, 955080, 970240, 976320, 1012480, 1018752, 1027848, 1091520, 1139040, 1146096, 1156329, 1199156, 1214976, 1273440, 1284810, 1301760, 1309824, 1358336, 1366848, 1370464, 1432620, 1455360, 1498945, 1518720, 1528128, 1541772, 1562112, 1637280, 1697920, 1708560, 1713080, 1746432, 1798734, 1822464, 1910160, 1927215, 1952640, 2024960, 2037504, 2055696, 2183040, 2278080, 2292192, 2312658, 2398312, 2546880, 2569620, 2603520, 2619648, 2698101, 2733696, 2740928, 2865240, 2910720, 2997890, 3037440, 3056256, 3083544, 3274560, 3395840, 3417120, 3426160, 3597468, 3644928, 3820320, 3854430, 3905280, 4075008, 4111392, 4366080, 4496835, 4556160, 4584384, 4625316, 4796624, 5093760, 5139240, 5239296, 5396202, 5467392, 5481856, 5730480, 5781645, 5995780, 6074880, 6112512, 6167088, 6549120, 6791680, 6834240, 6852320, 7194936, 7640640, 7708860, 7810560, 8094303, 8222784, 8732160, 8993670, 9112320, 9168768, 9250632, 9593248, 10187520, 10278480, 10792404, 10934784, 10963712, 11460960, 11563290, 11991560, 12225024, 12334176, 13098240, 13490505, 13668480, 13704640, 14389872, 15281280, 15417720, 16188606, 16445568, 17987340, 18224640, 18337536, 18501264, 19186496, 20375040, 20556960, 21584808, 21927424, 22921920, 23126580, 23983120, 24668352, 26196480, 26981010, 27336960, 27409280, 28779744, 30562560, 30835440, 32377212, 32891136, 35974680, 36675072, 37002528, 38372992, 40471515, 41113920, 43169616, 45843840, 46253160, 47966240, 49336704, 53962020, 54673920, 54818560, 57559488, 61125120, 61670880, 64754424, 65782272, 71949360, 74005056, 76745984, 80943030, 82227840, 86339232, 91687680, 92506320, 95932480, 98673408, 107924040, 109637120, 115118976, 123341760, 129508848, 143898720, 148010112, 153491968, 161886060, 164455680, 172678464, 183375360, 185012640, 191864960, 197346816, 215848080, 230237952, 246683520, 259017696, 287797440, 296020224, 323772120, 328911360, 345356928, 370025280, 383729920, 431696160, 460475904, 493367040, 518035392, 575594880, 592040448, 647544240, 690713856, 740050560, 767459840, 863392320, 986734080, 1036070784, 1151189760, 1295088480, 1381427712, 1480101120, 1726784640, 2072141568, 2302379520, 2590176960, 2960202240, 3453569280, 4144283136, 5180353920, 6907138560, 10360707840, 20721415680]

約数ペア:

[(1, 20721415680), (2, 10360707840), (3, 6907138560), (4, 5180353920), (5, 4144283136), (6, 3453569280), (7, 2960202240), (8, 2590176960), (9, 2302379520), (10, 2072141568), (12, 1726784640), (14, 1480101120), (15, 1381427712), (16, 1295088480), (18, 1151189760), (20, 1036070784), (21, 986734080), (24, 863392320), (27, 767459840), (28, 740050560), (30, 690713856), (32, 647544240), (35, 592040448), (36, 575594880), (40, 518035392), (42, 493367040), (45, 460475904), (48, 431696160), (54, 383729920), (56, 370025280), (60, 345356928), (63, 328911360), (64, 323772120), (70, 296020224), (72, 287797440), (80, 259017696), (84, 246683520), (90, 230237952), (96, 215848080), (105, 197346816), (108, 191864960), (112, 185012640), (113, 183375360), (120, 172678464), (126, 164455680), (128, 161886060), (135, 153491968), (140, 148010112), (144, 143898720), (160, 129508848), (168, 123341760), (180, 115118976), (189, 109637120), (192, 107924040), (210, 98673408), (216, 95932480), (224, 92506320), (226, 91687680), (240, 86339232), (252, 82227840), (256, 80943030), (270, 76745984), (280, 74005056), (288, 71949360), (315, 65782272), (320, 64754424), (336, 61670880), (339, 61125120), (360, 57559488), (378, 54818560), (379, 54673920), (384, 53962020), (420, 49336704), (432, 47966240), (448, 46253160), (452, 45843840), (480, 43169616), (504, 41113920), (512, 40471515), (540, 38372992), (560, 37002528), (565, 36675072), (576, 35974680), (630, 32891136), (640, 32377212), (672, 30835440), (678, 30562560), (720, 28779744), (756, 27409280), (758, 27336960), (768, 26981010), (791, 26196480), (840, 24668352), (864, 23983120), (896, 23126580), (904, 22921920), (945, 21927424), (960, 21584808), (1008, 20556960), (1017, 20375040), (1080, 19186496), (1120, 18501264), (1130, 18337536), (1137, 18224640), (1152, 17987340), (1260, 16445568), (1280, 16188606), (1344, 15417720), (1356, 15281280), (1440, 14389872), (1512, 13704640), (1516, 13668480), (1536, 13490505), (1582, 13098240), (1680, 12334176), (1695, 12225024), (1728, 11991560), (1792, 11563290), (1808, 11460960), (1890, 10963712), (1895, 10934784), (1920, 10792404), (2016, 10278480), (2034, 10187520), (2160, 9593248), (2240, 9250632), (2260, 9168768), (2274, 9112320), (2304, 8993670), (2373, 8732160), (2520, 8222784), (2560, 8094303), (2653, 7810560), (2688, 7708860), (2712, 7640640), (2880, 7194936), (3024, 6852320), (3032, 6834240), (3051, 6791680), (3164, 6549120), (3360, 6167088), (3390, 6112512), (3411, 6074880), (3456, 5995780), (3584, 5781645), (3616, 5730480), (3780, 5481856), (3790, 5467392), (3840, 5396202), (3955, 5239296), (4032, 5139240), (4068, 5093760), (4320, 4796624), (4480, 4625316), (4520, 4584384), (4548, 4556160), (4608, 4496835), (4746, 4366080), (5040, 4111392), (5085, 4075008), (5306, 3905280), (5376, 3854430), (5424, 3820320), (5685, 3644928), (5760, 3597468), (6048, 3426160), (6064, 3417120), (6102, 3395840), (6328, 3274560), (6720, 3083544), (6780, 3056256), (6822, 3037440), (6912, 2997890), (7119, 2910720), (7232, 2865240), (7560, 2740928), (7580, 2733696), (7680, 2698101), (7910, 2619648), (7959, 2603520), (8064, 2569620), (8136, 2546880), (8640, 2398312), (8960, 2312658), (9040, 2292192), (9096, 2278080), (9492, 2183040), (10080, 2055696), (10170, 2037504), (10233, 2024960), (10612, 1952640), (10752, 1927215), (10848, 1910160), (11370, 1822464), (11520, 1798734), (11865, 1746432), (12096, 1713080), (12128, 1708560), (12204, 1697920), (12656, 1637280), (13265, 1562112), (13440, 1541772), (13560, 1528128), (13644, 1518720), (13824, 1498945), (14238, 1455360), (14464, 1432620), (15120, 1370464), (15160, 1366848), (15255, 1358336), (15820, 1309824), (15918, 1301760), (16128, 1284810), (16272, 1273440), (17055, 1214976), (17280, 1199156), (17920, 1156329), (18080, 1146096), (18192, 1139040), (18984, 1091520), (20160, 1027848), (20340, 1018752), (20466, 1012480), (21224, 976320), (21357, 970240), (21696, 955080), (22740, 911232), (23040, 899367), (23730, 873216), (23877, 867840), (24192, 856540), (24256, 854280), (24408, 848960), (25312, 818640), (26530, 781056), (26880, 770886), (27120, 764064), (27288, 759360), (28476, 727680), (28928, 716310), (30240, 685232), (30320, 683424), (30510, 679168), (31640, 654912), (31836, 650880), (32256, 642405), (32544, 636720), (34110, 607488), (34560, 599578), (35595, 582144), (36160, 573048), (36384, 569520), (37968, 545760), (39795, 520704), (40320, 513924), (40680, 509376), (40932, 506240), (42448, 488160), (42714, 485120), (42827, 483840), (43392, 477540), (45480, 455616), (47460, 436608), (47754, 433920), (48384, 428270), (48512, 427140), (48816, 424480), (50624, 409320), (51165, 404992), (53060, 390528), (53760, 385443), (54240, 382032), (54576, 379680), (56952, 363840), (57856, 358155), (60480, 342616), (60640, 341712), (61020, 339584), (63280, 327456), (63672, 325440), (65088, 318360), (68220, 303744), (69120, 299789), (71190, 291072), (71631, 289280), (72320, 286524), (72768, 284760), (75936, 272880), (79590, 260352), (80640, 256962), (81360, 254688), (81864, 253120), (84896, 244080), (85428, 242560), (85654, 241920), (86784, 238770), (90960, 227808), (94920, 218304), (95508, 216960), (96768, 214135), (97024, 213570), (97632, 212240), (101248, 204660), (102330, 202496), (106120, 195264), (106785, 194048), (108480, 191016), (109152, 189840), (113904, 181920), (119385, 173568), (120960, 171308), (121280, 170856), (122040, 169792), (126560, 163728), (127344, 162720), (128481, 161280), (130176, 159180), (136440, 151872), (142380, 145536), (143262, 144640)]