268420320

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{859}}^1$

素因数の和:918

約数の個数: 288

約数和(自身を含む): 1081866240

約数和(自身を除く): 813445920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 32, 35, 36, 40, 42, 45, 48, 56, 60, 62, 63, 70, 72, 80, 84, 90, 93, 96, 105, 112, 120, 124, 126, 140, 144, 155, 160, 168, 180, 186, 210, 217, 224, 240, 248, 252, 279, 280, 288, 310, 315, 336, 360, 372, 420, 434, 465, 480, 496, 504, 558, 560, 620, 630, 651, 672, 720, 744, 840, 859, 868, 930, 992, 1008, 1085, 1116, 1120, 1240, 1260, 1302, 1395, 1440, 1488, 1680, 1718, 1736, 1860, 1953, 2016, 2170, 2232, 2480, 2520, 2577, 2604, 2790, 2976, 3255, 3360, 3436, 3472, 3720, 3906, 4295, 4340, 4464, 4960, 5040, 5154, 5208, 5580, 6013, 6510, 6872, 6944, 7440, 7731, 7812, 8590, 8680, 8928, 9765, 10080, 10308, 10416, 11160, 12026, 12885, 13020, 13744, 14880, 15462, 15624, 17180, 17360, 18039, 19530, 20616, 20832, 22320, 24052, 25770, 26040, 26629, 27488, 30065, 30924, 31248, 34360, 34720, 36078, 38655, 39060, 41232, 44640, 48104, 51540, 52080, 53258, 54117, 60130, 61848, 62496, 68720, 72156, 77310, 78120, 79887, 82464, 90195, 96208, 103080, 104160, 106516, 108234, 120260, 123696, 133145, 137440, 144312, 154620, 156240, 159774, 180390, 186403, 192416, 206160, 213032, 216468, 239661, 240520, 247392, 266290, 270585, 288624, 309240, 312480, 319548, 360780, 372806, 399435, 412320, 426064, 432936, 479322, 481040, 532580, 541170, 559209, 577248, 618480, 639096, 721560, 745612, 798870, 852128, 865872, 932015, 958644, 962080, 1065160, 1082340, 1118418, 1198305, 1236960, 1278192, 1443120, 1491224, 1597740, 1677627, 1731744, 1864030, 1917288, 2130320, 2164680, 2236836, 2396610, 2556384, 2796045, 2886240, 2982448, 3195480, 3355254, 3728060, 3834576, 4260640, 4329360, 4473672, 4793220, 5592090, 5964896, 6390960, 6710508, 7456120, 7669152, 8388135, 8658720, 8947344, 9586440, 11184180, 12781920, 13421016, 14912240, 16776270, 17894688, 19172880, 22368360, 26842032, 29824480, 33552540, 38345760, 44736720, 53684064, 67105080, 89473440, 134210160, 268420320]

約数ペア:

[(1, 268420320), (2, 134210160), (3, 89473440), (4, 67105080), (5, 53684064), (6, 44736720), (7, 38345760), (8, 33552540), (9, 29824480), (10, 26842032), (12, 22368360), (14, 19172880), (15, 17894688), (16, 16776270), (18, 14912240), (20, 13421016), (21, 12781920), (24, 11184180), (28, 9586440), (30, 8947344), (31, 8658720), (32, 8388135), (35, 7669152), (36, 7456120), (40, 6710508), (42, 6390960), (45, 5964896), (48, 5592090), (56, 4793220), (60, 4473672), (62, 4329360), (63, 4260640), (70, 3834576), (72, 3728060), (80, 3355254), (84, 3195480), (90, 2982448), (93, 2886240), (96, 2796045), (105, 2556384), (112, 2396610), (120, 2236836), (124, 2164680), (126, 2130320), (140, 1917288), (144, 1864030), (155, 1731744), (160, 1677627), (168, 1597740), (180, 1491224), (186, 1443120), (210, 1278192), (217, 1236960), (224, 1198305), (240, 1118418), (248, 1082340), (252, 1065160), (279, 962080), (280, 958644), (288, 932015), (310, 865872), (315, 852128), (336, 798870), (360, 745612), (372, 721560), (420, 639096), (434, 618480), (465, 577248), (480, 559209), (496, 541170), (504, 532580), (558, 481040), (560, 479322), (620, 432936), (630, 426064), (651, 412320), (672, 399435), (720, 372806), (744, 360780), (840, 319548), (859, 312480), (868, 309240), (930, 288624), (992, 270585), (1008, 266290), (1085, 247392), (1116, 240520), (1120, 239661), (1240, 216468), (1260, 213032), (1302, 206160), (1395, 192416), (1440, 186403), (1488, 180390), (1680, 159774), (1718, 156240), (1736, 154620), (1860, 144312), (1953, 137440), (2016, 133145), (2170, 123696), (2232, 120260), (2480, 108234), (2520, 106516), (2577, 104160), (2604, 103080), (2790, 96208), (2976, 90195), (3255, 82464), (3360, 79887), (3436, 78120), (3472, 77310), (3720, 72156), (3906, 68720), (4295, 62496), (4340, 61848), (4464, 60130), (4960, 54117), (5040, 53258), (5154, 52080), (5208, 51540), (5580, 48104), (6013, 44640), (6510, 41232), (6872, 39060), (6944, 38655), (7440, 36078), (7731, 34720), (7812, 34360), (8590, 31248), (8680, 30924), (8928, 30065), (9765, 27488), (10080, 26629), (10308, 26040), (10416, 25770), (11160, 24052), (12026, 22320), (12885, 20832), (13020, 20616), (13744, 19530), (14880, 18039), (15462, 17360), (15624, 17180)]