1243889920

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{181}}^1$

素因数の和:281

約数の個数: 288

約数和(自身を含む): 3749840640

約数和(自身を除く): 2505950720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 59, 64, 65, 70, 80, 91, 104, 112, 118, 128, 130, 140, 160, 181, 182, 208, 224, 236, 256, 260, 280, 295, 320, 362, 364, 413, 416, 448, 455, 472, 520, 560, 590, 640, 724, 728, 767, 826, 832, 896, 905, 910, 944, 1040, 1120, 1180, 1267, 1280, 1448, 1456, 1534, 1652, 1664, 1792, 1810, 1820, 1888, 2065, 2080, 2240, 2353, 2360, 2534, 2896, 2912, 3068, 3304, 3328, 3620, 3640, 3776, 3835, 4130, 4160, 4480, 4706, 4720, 5068, 5369, 5792, 5824, 6136, 6335, 6608, 7240, 7280, 7552, 7670, 8260, 8320, 8960, 9412, 9440, 10136, 10679, 10738, 11584, 11648, 11765, 12272, 12670, 13216, 14480, 14560, 15104, 15340, 16471, 16520, 16640, 18824, 18880, 20272, 21358, 21476, 23168, 23296, 23530, 24544, 25340, 26432, 26845, 28960, 29120, 30680, 32942, 33040, 37648, 37760, 40544, 42716, 42952, 46336, 47060, 49088, 50680, 52864, 53395, 53690, 57920, 58240, 61360, 65884, 66080, 74753, 75296, 75520, 81088, 82355, 85432, 85904, 94120, 98176, 101360, 105728, 106790, 107380, 115840, 116480, 122720, 131768, 132160, 138827, 149506, 150592, 162176, 164710, 170864, 171808, 188240, 196352, 202720, 213580, 214760, 231680, 245440, 263536, 264320, 277654, 299012, 301184, 324352, 329420, 341728, 343616, 373765, 376480, 405440, 427160, 429520, 490880, 527072, 528640, 555308, 598024, 602368, 658840, 683456, 687232, 694135, 747530, 752960, 810880, 854320, 859040, 971789, 981760, 1054144, 1110616, 1196048, 1317680, 1366912, 1374464, 1388270, 1495060, 1505920, 1621760, 1708640, 1718080, 1943578, 2108288, 2221232, 2392096, 2635360, 2733824, 2776540, 2990120, 3011840, 3417280, 3436160, 3887156, 4216576, 4442464, 4784192, 4858945, 5270720, 5553080, 5980240, 6834560, 6872320, 7774312, 8884928, 9568384, 9717890, 10541440, 11106160, 11960480, 13669120, 15548624, 17769856, 19136768, 19435780, 21082880, 22212320, 23920960, 31097248, 35539712, 38871560, 44424640, 47841920, 62194496, 77743120, 88849280, 95683840, 124388992, 155486240, 177698560, 248777984, 310972480, 621944960, 1243889920]

約数ペア:

[(1, 1243889920), (2, 621944960), (4, 310972480), (5, 248777984), (7, 177698560), (8, 155486240), (10, 124388992), (13, 95683840), (14, 88849280), (16, 77743120), (20, 62194496), (26, 47841920), (28, 44424640), (32, 38871560), (35, 35539712), (40, 31097248), (52, 23920960), (56, 22212320), (59, 21082880), (64, 19435780), (65, 19136768), (70, 17769856), (80, 15548624), (91, 13669120), (104, 11960480), (112, 11106160), (118, 10541440), (128, 9717890), (130, 9568384), (140, 8884928), (160, 7774312), (181, 6872320), (182, 6834560), (208, 5980240), (224, 5553080), (236, 5270720), (256, 4858945), (260, 4784192), (280, 4442464), (295, 4216576), (320, 3887156), (362, 3436160), (364, 3417280), (413, 3011840), (416, 2990120), (448, 2776540), (455, 2733824), (472, 2635360), (520, 2392096), (560, 2221232), (590, 2108288), (640, 1943578), (724, 1718080), (728, 1708640), (767, 1621760), (826, 1505920), (832, 1495060), (896, 1388270), (905, 1374464), (910, 1366912), (944, 1317680), (1040, 1196048), (1120, 1110616), (1180, 1054144), (1267, 981760), (1280, 971789), (1448, 859040), (1456, 854320), (1534, 810880), (1652, 752960), (1664, 747530), (1792, 694135), (1810, 687232), (1820, 683456), (1888, 658840), (2065, 602368), (2080, 598024), (2240, 555308), (2353, 528640), (2360, 527072), (2534, 490880), (2896, 429520), (2912, 427160), (3068, 405440), (3304, 376480), (3328, 373765), (3620, 343616), (3640, 341728), (3776, 329420), (3835, 324352), (4130, 301184), (4160, 299012), (4480, 277654), (4706, 264320), (4720, 263536), (5068, 245440), (5369, 231680), (5792, 214760), (5824, 213580), (6136, 202720), (6335, 196352), (6608, 188240), (7240, 171808), (7280, 170864), (7552, 164710), (7670, 162176), (8260, 150592), (8320, 149506), (8960, 138827), (9412, 132160), (9440, 131768), (10136, 122720), (10679, 116480), (10738, 115840), (11584, 107380), (11648, 106790), (11765, 105728), (12272, 101360), (12670, 98176), (13216, 94120), (14480, 85904), (14560, 85432), (15104, 82355), (15340, 81088), (16471, 75520), (16520, 75296), (16640, 74753), (18824, 66080), (18880, 65884), (20272, 61360), (21358, 58240), (21476, 57920), (23168, 53690), (23296, 53395), (23530, 52864), (24544, 50680), (25340, 49088), (26432, 47060), (26845, 46336), (28960, 42952), (29120, 42716), (30680, 40544), (32942, 37760), (33040, 37648)]