254849280

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1$

素因数の和:549

約数の個数: 288

約数和(自身を含む): 981120000

約数和(自身を除く): 726270720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 32, 35, 38, 40, 42, 48, 56, 57, 60, 64, 70, 76, 80, 84, 95, 96, 105, 112, 114, 120, 128, 133, 140, 152, 160, 168, 190, 192, 210, 224, 228, 240, 256, 266, 280, 285, 304, 320, 336, 380, 384, 399, 420, 448, 456, 480, 499, 532, 560, 570, 608, 640, 665, 672, 760, 768, 798, 840, 896, 912, 960, 998, 1064, 1120, 1140, 1216, 1280, 1330, 1344, 1497, 1520, 1596, 1680, 1792, 1824, 1920, 1995, 1996, 2128, 2240, 2280, 2432, 2495, 2660, 2688, 2994, 3040, 3192, 3360, 3493, 3648, 3840, 3990, 3992, 4256, 4480, 4560, 4864, 4990, 5320, 5376, 5988, 6080, 6384, 6720, 6986, 7296, 7485, 7980, 7984, 8512, 8960, 9120, 9481, 9980, 10479, 10640, 11976, 12160, 12768, 13440, 13972, 14592, 14970, 15960, 15968, 17024, 17465, 18240, 18962, 19960, 20958, 21280, 23952, 24320, 25536, 26880, 27944, 28443, 29940, 31920, 31936, 34048, 34930, 36480, 37924, 39920, 41916, 42560, 47405, 47904, 51072, 52395, 55888, 56886, 59880, 63840, 63872, 66367, 69860, 72960, 75848, 79840, 83832, 85120, 94810, 95808, 102144, 104790, 111776, 113772, 119760, 127680, 127744, 132734, 139720, 142215, 151696, 159680, 167664, 170240, 189620, 191616, 199101, 209580, 223552, 227544, 239520, 255360, 265468, 279440, 284430, 303392, 319360, 331835, 335328, 379240, 383232, 398202, 419160, 447104, 455088, 479040, 510720, 530936, 558880, 568860, 606784, 638720, 663670, 670656, 758480, 796404, 838320, 894208, 910176, 958080, 995505, 1061872, 1117760, 1137720, 1213568, 1327340, 1341312, 1516960, 1592808, 1676640, 1820352, 1916160, 1991010, 2123744, 2235520, 2275440, 2427136, 2654680, 2682624, 3033920, 3185616, 3353280, 3640704, 3982020, 4247488, 4471040, 4550880, 5309360, 6067840, 6371232, 6706560, 7281408, 7964040, 8494976, 9101760, 10618720, 12135680, 12742464, 13413120, 15928080, 16989952, 18203520, 21237440, 25484928, 31856160, 36407040, 42474880, 50969856, 63712320, 84949760, 127424640, 254849280]

約数ペア:

[(1, 254849280), (2, 127424640), (3, 84949760), (4, 63712320), (5, 50969856), (6, 42474880), (7, 36407040), (8, 31856160), (10, 25484928), (12, 21237440), (14, 18203520), (15, 16989952), (16, 15928080), (19, 13413120), (20, 12742464), (21, 12135680), (24, 10618720), (28, 9101760), (30, 8494976), (32, 7964040), (35, 7281408), (38, 6706560), (40, 6371232), (42, 6067840), (48, 5309360), (56, 4550880), (57, 4471040), (60, 4247488), (64, 3982020), (70, 3640704), (76, 3353280), (80, 3185616), (84, 3033920), (95, 2682624), (96, 2654680), (105, 2427136), (112, 2275440), (114, 2235520), (120, 2123744), (128, 1991010), (133, 1916160), (140, 1820352), (152, 1676640), (160, 1592808), (168, 1516960), (190, 1341312), (192, 1327340), (210, 1213568), (224, 1137720), (228, 1117760), (240, 1061872), (256, 995505), (266, 958080), (280, 910176), (285, 894208), (304, 838320), (320, 796404), (336, 758480), (380, 670656), (384, 663670), (399, 638720), (420, 606784), (448, 568860), (456, 558880), (480, 530936), (499, 510720), (532, 479040), (560, 455088), (570, 447104), (608, 419160), (640, 398202), (665, 383232), (672, 379240), (760, 335328), (768, 331835), (798, 319360), (840, 303392), (896, 284430), (912, 279440), (960, 265468), (998, 255360), (1064, 239520), (1120, 227544), (1140, 223552), (1216, 209580), (1280, 199101), (1330, 191616), (1344, 189620), (1497, 170240), (1520, 167664), (1596, 159680), (1680, 151696), (1792, 142215), (1824, 139720), (1920, 132734), (1995, 127744), (1996, 127680), (2128, 119760), (2240, 113772), (2280, 111776), (2432, 104790), (2495, 102144), (2660, 95808), (2688, 94810), (2994, 85120), (3040, 83832), (3192, 79840), (3360, 75848), (3493, 72960), (3648, 69860), (3840, 66367), (3990, 63872), (3992, 63840), (4256, 59880), (4480, 56886), (4560, 55888), (4864, 52395), (4990, 51072), (5320, 47904), (5376, 47405), (5988, 42560), (6080, 41916), (6384, 39920), (6720, 37924), (6986, 36480), (7296, 34930), (7485, 34048), (7980, 31936), (7984, 31920), (8512, 29940), (8960, 28443), (9120, 27944), (9481, 26880), (9980, 25536), (10479, 24320), (10640, 23952), (11976, 21280), (12160, 20958), (12768, 19960), (13440, 18962), (13972, 18240), (14592, 17465), (14970, 17024), (15960, 15968)]