20705310720

素因数分解:

$2^{11}\times 3^5\times 5^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:252

約数の個数: 576

約数和(自身を含む): 76305771360

約数和(自身を除く): 55600460640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 53, 54, 60, 64, 72, 80, 81, 90, 96, 106, 108, 120, 128, 135, 144, 157, 159, 160, 162, 180, 192, 212, 216, 240, 243, 256, 265, 270, 288, 314, 318, 320, 324, 360, 384, 405, 424, 432, 471, 477, 480, 486, 512, 530, 540, 576, 628, 636, 640, 648, 720, 768, 785, 795, 810, 848, 864, 942, 954, 960, 972, 1024, 1060, 1080, 1152, 1215, 1256, 1272, 1280, 1296, 1413, 1431, 1440, 1536, 1570, 1590, 1620, 1696, 1728, 1884, 1908, 1920, 1944, 2048, 2120, 2160, 2304, 2355, 2385, 2430, 2512, 2544, 2560, 2592, 2826, 2862, 2880, 3072, 3140, 3180, 3240, 3392, 3456, 3768, 3816, 3840, 3888, 4239, 4240, 4293, 4320, 4608, 4710, 4770, 4860, 5024, 5088, 5120, 5184, 5652, 5724, 5760, 6144, 6280, 6360, 6480, 6784, 6912, 7065, 7155, 7536, 7632, 7680, 7776, 8321, 8478, 8480, 8586, 8640, 9216, 9420, 9540, 9720, 10048, 10176, 10240, 10368, 11304, 11448, 11520, 12560, 12717, 12720, 12879, 12960, 13568, 13824, 14130, 14310, 15072, 15264, 15360, 15552, 16642, 16956, 16960, 17172, 17280, 18432, 18840, 19080, 19440, 20096, 20352, 20736, 21195, 21465, 22608, 22896, 23040, 24963, 25120, 25434, 25440, 25758, 25920, 27136, 27648, 28260, 28620, 30144, 30528, 30720, 31104, 33284, 33912, 33920, 34344, 34560, 37680, 38151, 38160, 38880, 40192, 40704, 41472, 41605, 42390, 42930, 45216, 45792, 46080, 49926, 50240, 50868, 50880, 51516, 51840, 54272, 55296, 56520, 57240, 60288, 61056, 62208, 63585, 64395, 66568, 67824, 67840, 68688, 69120, 74889, 75360, 76302, 76320, 77760, 80384, 81408, 82944, 83210, 84780, 85860, 90432, 91584, 92160, 99852, 100480, 101736, 101760, 103032, 103680, 108544, 113040, 114480, 120576, 122112, 124416, 124815, 127170, 128790, 133136, 135648, 135680, 137376, 138240, 149778, 150720, 152604, 152640, 155520, 160768, 162816, 165888, 166420, 169560, 171720, 180864, 183168, 190755, 199704, 200960, 203472, 203520, 206064, 207360, 224667, 226080, 228960, 241152, 244224, 248832, 249630, 254340, 257580, 266272, 271296, 271360, 274752, 276480, 299556, 301440, 305208, 305280, 311040, 321536, 325632, 332840, 339120, 343440, 361728, 366336, 374445, 381510, 399408, 401920, 406944, 407040, 412128, 414720, 449334, 452160, 457920, 482304, 488448, 497664, 499260, 508680, 515160, 532544, 542592, 542720, 549504, 599112, 602880, 610416, 610560, 622080, 665680, 674001, 678240, 686880, 723456, 732672, 748890, 763020, 798816, 803840, 813888, 814080, 824256, 829440, 898668, 904320, 915840, 964608, 976896, 998520, 1017360, 1030320, 1065088, 1085184, 1099008, 1123335, 1198224, 1205760, 1220832, 1221120, 1244160, 1331360, 1348002, 1356480, 1373760, 1446912, 1465344, 1497780, 1526040, 1597632, 1607680, 1627776, 1628160, 1648512, 1797336, 1808640, 1831680, 1997040, 2022003, 2034720, 2060640, 2130176, 2170368, 2198016, 2246670, 2396448, 2411520, 2441664, 2442240, 2488320, 2662720, 2696004, 2712960, 2747520, 2893824, 2930688, 2995560, 3052080, 3195264, 3255552, 3297024, 3370005, 3594672, 3617280, 3663360, 3994080, 4044006, 4069440, 4121280, 4260352, 4340736, 4396032, 4493340, 4792896, 4823040, 4883328, 4884480, 5325440, 5392008, 5425920, 5495040, 5991120, 6104160, 6390528, 6511104, 6594048, 6740010, 7189344, 7234560, 7326720, 7988160, 8088012, 8138880, 8242560, 8520704, 8681472, 8792064, 8986680, 9585792, 9766656, 10110015, 10650880, 10784016, 10851840, 10990080, 11982240, 12208320, 12781056, 13022208, 13188096, 13480020, 14378688, 14469120, 14653440, 15976320, 16176024, 16277760, 16485120, 17041408, 17973360, 19171584, 19533312, 20220030, 21301760, 21568032, 21703680, 21980160, 23964480, 24416640, 25562112, 26044416, 26376192, 26960040, 28757376, 31952640, 32352048, 32555520, 32970240, 35946720, 38343168, 39066624, 40440060, 42603520, 43136064, 43407360, 43960320, 47928960, 48833280, 51124224, 53920080, 57514752, 63905280, 64704096, 65111040, 65940480, 71893440, 76686336, 78133248, 80880120, 85207040, 86272128, 95857920, 97666560, 107840160, 115029504, 127810560, 129408192, 130222080, 131880960, 143786880, 153372672, 161760240, 172544256, 191715840, 195333120, 215680320, 230059008, 255621120, 258816384, 287573760, 323520480, 345088512, 383431680, 390666240, 431360640, 460118016, 517632768, 575147520, 647040960, 690177024, 766863360, 862721280, 1035265536, 1150295040, 1294081920, 1380354048, 1725442560, 2070531072, 2300590080, 2588163840, 3450885120, 4141062144, 5176327680, 6901770240, 10352655360, 20705310720]

約数ペア:

[(1, 20705310720), (2, 10352655360), (3, 6901770240), (4, 5176327680), (5, 4141062144), (6, 3450885120), (8, 2588163840), (9, 2300590080), (10, 2070531072), (12, 1725442560), (15, 1380354048), (16, 1294081920), (18, 1150295040), (20, 1035265536), (24, 862721280), (27, 766863360), (30, 690177024), (32, 647040960), (36, 575147520), (40, 517632768), (45, 460118016), (48, 431360640), (53, 390666240), (54, 383431680), (60, 345088512), (64, 323520480), (72, 287573760), (80, 258816384), (81, 255621120), (90, 230059008), (96, 215680320), (106, 195333120), (108, 191715840), (120, 172544256), (128, 161760240), (135, 153372672), (144, 143786880), (157, 131880960), (159, 130222080), (160, 129408192), (162, 127810560), (180, 115029504), (192, 107840160), (212, 97666560), (216, 95857920), (240, 86272128), (243, 85207040), (256, 80880120), (265, 78133248), (270, 76686336), (288, 71893440), (314, 65940480), (318, 65111040), (320, 64704096), (324, 63905280), (360, 57514752), (384, 53920080), (405, 51124224), (424, 48833280), (432, 47928960), (471, 43960320), (477, 43407360), (480, 43136064), (486, 42603520), (512, 40440060), (530, 39066624), (540, 38343168), (576, 35946720), (628, 32970240), (636, 32555520), (640, 32352048), (648, 31952640), (720, 28757376), (768, 26960040), (785, 26376192), (795, 26044416), (810, 25562112), (848, 24416640), (864, 23964480), (942, 21980160), (954, 21703680), (960, 21568032), (972, 21301760), (1024, 20220030), (1060, 19533312), (1080, 19171584), (1152, 17973360), (1215, 17041408), (1256, 16485120), (1272, 16277760), (1280, 16176024), (1296, 15976320), (1413, 14653440), (1431, 14469120), (1440, 14378688), (1536, 13480020), (1570, 13188096), (1590, 13022208), (1620, 12781056), (1696, 12208320), (1728, 11982240), (1884, 10990080), (1908, 10851840), (1920, 10784016), (1944, 10650880), (2048, 10110015), (2120, 9766656), (2160, 9585792), (2304, 8986680), (2355, 8792064), (2385, 8681472), (2430, 8520704), (2512, 8242560), (2544, 8138880), (2560, 8088012), (2592, 7988160), (2826, 7326720), (2862, 7234560), (2880, 7189344), (3072, 6740010), (3140, 6594048), (3180, 6511104), (3240, 6390528), (3392, 6104160), (3456, 5991120), (3768, 5495040), (3816, 5425920), (3840, 5392008), (3888, 5325440), (4239, 4884480), (4240, 4883328), (4293, 4823040), (4320, 4792896), (4608, 4493340), (4710, 4396032), (4770, 4340736), (4860, 4260352), (5024, 4121280), (5088, 4069440), (5120, 4044006), (5184, 3994080), (5652, 3663360), (5724, 3617280), (5760, 3594672), (6144, 3370005), (6280, 3297024), (6360, 3255552), (6480, 3195264), (6784, 3052080), (6912, 2995560), (7065, 2930688), (7155, 2893824), (7536, 2747520), (7632, 2712960), (7680, 2696004), (7776, 2662720), (8321, 2488320), (8478, 2442240), (8480, 2441664), (8586, 2411520), (8640, 2396448), (9216, 2246670), (9420, 2198016), (9540, 2170368), (9720, 2130176), (10048, 2060640), (10176, 2034720), (10240, 2022003), (10368, 1997040), (11304, 1831680), (11448, 1808640), (11520, 1797336), (12560, 1648512), (12717, 1628160), (12720, 1627776), (12879, 1607680), (12960, 1597632), (13568, 1526040), (13824, 1497780), (14130, 1465344), (14310, 1446912), (15072, 1373760), (15264, 1356480), (15360, 1348002), (15552, 1331360), (16642, 1244160), (16956, 1221120), (16960, 1220832), (17172, 1205760), (17280, 1198224), (18432, 1123335), (18840, 1099008), (19080, 1085184), (19440, 1065088), (20096, 1030320), (20352, 1017360), (20736, 998520), (21195, 976896), (21465, 964608), (22608, 915840), (22896, 904320), (23040, 898668), (24963, 829440), (25120, 824256), (25434, 814080), (25440, 813888), (25758, 803840), (25920, 798816), (27136, 763020), (27648, 748890), (28260, 732672), (28620, 723456), (30144, 686880), (30528, 678240), (30720, 674001), (31104, 665680), (33284, 622080), (33912, 610560), (33920, 610416), (34344, 602880), (34560, 599112), (37680, 549504), (38151, 542720), (38160, 542592), (38880, 532544), (40192, 515160), (40704, 508680), (41472, 499260), (41605, 497664), (42390, 488448), (42930, 482304), (45216, 457920), (45792, 452160), (46080, 449334), (49926, 414720), (50240, 412128), (50868, 407040), (50880, 406944), (51516, 401920), (51840, 399408), (54272, 381510), (55296, 374445), (56520, 366336), (57240, 361728), (60288, 343440), (61056, 339120), (62208, 332840), (63585, 325632), (64395, 321536), (66568, 311040), (67824, 305280), (67840, 305208), (68688, 301440), (69120, 299556), (74889, 276480), (75360, 274752), (76302, 271360), (76320, 271296), (77760, 266272), (80384, 257580), (81408, 254340), (82944, 249630), (83210, 248832), (84780, 244224), (85860, 241152), (90432, 228960), (91584, 226080), (92160, 224667), (99852, 207360), (100480, 206064), (101736, 203520), (101760, 203472), (103032, 200960), (103680, 199704), (108544, 190755), (113040, 183168), (114480, 180864), (120576, 171720), (122112, 169560), (124416, 166420), (124815, 165888), (127170, 162816), (128790, 160768), (133136, 155520), (135648, 152640), (135680, 152604), (137376, 150720), (138240, 149778)]