261181440

素因数分解:

$2^{12}\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1$

素因数の和:157

約数の個数: 312

約数和(自身を含む): 983902920

約数和(自身を除く): 722721480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 64, 65, 72, 78, 80, 90, 96, 104, 109, 117, 120, 128, 130, 144, 156, 160, 180, 192, 195, 208, 218, 234, 240, 256, 260, 288, 312, 320, 327, 360, 384, 390, 416, 436, 468, 480, 512, 520, 545, 576, 585, 624, 640, 654, 720, 768, 780, 832, 872, 936, 960, 981, 1024, 1040, 1090, 1152, 1170, 1248, 1280, 1308, 1417, 1440, 1536, 1560, 1635, 1664, 1744, 1872, 1920, 1962, 2048, 2080, 2180, 2304, 2340, 2496, 2560, 2616, 2834, 2880, 3072, 3120, 3270, 3328, 3488, 3744, 3840, 3924, 4096, 4160, 4251, 4360, 4608, 4680, 4905, 4992, 5120, 5232, 5668, 5760, 6144, 6240, 6540, 6656, 6976, 7085, 7488, 7680, 7848, 8320, 8502, 8720, 9216, 9360, 9810, 9984, 10240, 10464, 11336, 11520, 12288, 12480, 12753, 13080, 13312, 13952, 14170, 14976, 15360, 15696, 16640, 17004, 17440, 18432, 18720, 19620, 19968, 20480, 20928, 21255, 22672, 23040, 24960, 25506, 26160, 26624, 27904, 28340, 29952, 30720, 31392, 33280, 34008, 34880, 36864, 37440, 39240, 39936, 41856, 42510, 45344, 46080, 49920, 51012, 52320, 53248, 55808, 56680, 59904, 61440, 62784, 63765, 66560, 68016, 69760, 74880, 78480, 79872, 83712, 85020, 90688, 92160, 99840, 102024, 104640, 111616, 113360, 119808, 125568, 127530, 133120, 136032, 139520, 149760, 156960, 159744, 167424, 170040, 181376, 184320, 199680, 204048, 209280, 223232, 226720, 239616, 251136, 255060, 266240, 272064, 279040, 299520, 313920, 334848, 340080, 362752, 399360, 408096, 418560, 446464, 453440, 479232, 502272, 510120, 544128, 558080, 599040, 627840, 669696, 680160, 725504, 798720, 816192, 837120, 906880, 1004544, 1020240, 1088256, 1116160, 1198080, 1255680, 1339392, 1360320, 1451008, 1632384, 1674240, 1813760, 2009088, 2040480, 2176512, 2232320, 2396160, 2511360, 2720640, 2902016, 3264768, 3348480, 3627520, 4018176, 4080960, 4353024, 5022720, 5441280, 5804032, 6529536, 6696960, 7255040, 8161920, 8706048, 10045440, 10882560, 13059072, 14510080, 16323840, 17412096, 20090880, 21765120, 26118144, 29020160, 32647680, 43530240, 52236288, 65295360, 87060480, 130590720, 261181440]

約数ペア:

[(1, 261181440), (2, 130590720), (3, 87060480), (4, 65295360), (5, 52236288), (6, 43530240), (8, 32647680), (9, 29020160), (10, 26118144), (12, 21765120), (13, 20090880), (15, 17412096), (16, 16323840), (18, 14510080), (20, 13059072), (24, 10882560), (26, 10045440), (30, 8706048), (32, 8161920), (36, 7255040), (39, 6696960), (40, 6529536), (45, 5804032), (48, 5441280), (52, 5022720), (60, 4353024), (64, 4080960), (65, 4018176), (72, 3627520), (78, 3348480), (80, 3264768), (90, 2902016), (96, 2720640), (104, 2511360), (109, 2396160), (117, 2232320), (120, 2176512), (128, 2040480), (130, 2009088), (144, 1813760), (156, 1674240), (160, 1632384), (180, 1451008), (192, 1360320), (195, 1339392), (208, 1255680), (218, 1198080), (234, 1116160), (240, 1088256), (256, 1020240), (260, 1004544), (288, 906880), (312, 837120), (320, 816192), (327, 798720), (360, 725504), (384, 680160), (390, 669696), (416, 627840), (436, 599040), (468, 558080), (480, 544128), (512, 510120), (520, 502272), (545, 479232), (576, 453440), (585, 446464), (624, 418560), (640, 408096), (654, 399360), (720, 362752), (768, 340080), (780, 334848), (832, 313920), (872, 299520), (936, 279040), (960, 272064), (981, 266240), (1024, 255060), (1040, 251136), (1090, 239616), (1152, 226720), (1170, 223232), (1248, 209280), (1280, 204048), (1308, 199680), (1417, 184320), (1440, 181376), (1536, 170040), (1560, 167424), (1635, 159744), (1664, 156960), (1744, 149760), (1872, 139520), (1920, 136032), (1962, 133120), (2048, 127530), (2080, 125568), (2180, 119808), (2304, 113360), (2340, 111616), (2496, 104640), (2560, 102024), (2616, 99840), (2834, 92160), (2880, 90688), (3072, 85020), (3120, 83712), (3270, 79872), (3328, 78480), (3488, 74880), (3744, 69760), (3840, 68016), (3924, 66560), (4096, 63765), (4160, 62784), (4251, 61440), (4360, 59904), (4608, 56680), (4680, 55808), (4905, 53248), (4992, 52320), (5120, 51012), (5232, 49920), (5668, 46080), (5760, 45344), (6144, 42510), (6240, 41856), (6540, 39936), (6656, 39240), (6976, 37440), (7085, 36864), (7488, 34880), (7680, 34008), (7848, 33280), (8320, 31392), (8502, 30720), (8720, 29952), (9216, 28340), (9360, 27904), (9810, 26624), (9984, 26160), (10240, 25506), (10464, 24960), (11336, 23040), (11520, 22672), (12288, 21255), (12480, 20928), (12753, 20480), (13080, 19968), (13312, 19620), (13952, 18720), (14170, 18432), (14976, 17440), (15360, 17004), (15696, 16640)]