281422080

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{479}}^1$

素因数の和:526

約数の個数: 288

約数和(自身を含む): 1059609600

約数和(自身を除く): 778187520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 32, 34, 36, 40, 45, 48, 51, 54, 60, 64, 68, 72, 80, 85, 90, 96, 102, 108, 120, 128, 135, 136, 144, 153, 160, 170, 180, 192, 204, 216, 240, 255, 256, 270, 272, 288, 306, 320, 340, 360, 384, 408, 432, 459, 479, 480, 510, 540, 544, 576, 612, 640, 680, 720, 765, 768, 816, 864, 918, 958, 960, 1020, 1080, 1088, 1152, 1224, 1280, 1360, 1437, 1440, 1530, 1632, 1728, 1836, 1916, 1920, 2040, 2160, 2176, 2295, 2304, 2395, 2448, 2720, 2874, 2880, 3060, 3264, 3456, 3672, 3832, 3840, 4080, 4311, 4320, 4352, 4590, 4790, 4896, 5440, 5748, 5760, 6120, 6528, 6912, 7185, 7344, 7664, 8143, 8160, 8622, 8640, 9180, 9580, 9792, 10880, 11496, 11520, 12240, 12933, 13056, 14370, 14688, 15328, 16286, 16320, 17244, 17280, 18360, 19160, 19584, 21555, 21760, 22992, 24429, 24480, 25866, 28740, 29376, 30656, 32572, 32640, 34488, 34560, 36720, 38320, 39168, 40715, 43110, 45984, 48858, 48960, 51732, 57480, 58752, 61312, 64665, 65144, 65280, 68976, 73287, 73440, 76640, 81430, 86220, 91968, 97716, 97920, 103464, 114960, 117504, 122145, 122624, 129330, 130288, 137952, 146574, 146880, 153280, 162860, 172440, 183936, 195432, 195840, 206928, 219861, 229920, 244290, 258660, 260576, 275904, 293148, 293760, 306560, 325720, 344880, 366435, 367872, 390864, 413856, 439722, 459840, 488580, 517320, 521152, 551808, 586296, 587520, 613120, 651440, 689760, 732870, 781728, 827712, 879444, 919680, 977160, 1034640, 1042304, 1099305, 1103616, 1172592, 1302880, 1379520, 1465740, 1563456, 1655424, 1758888, 1839360, 1954320, 2069280, 2084608, 2198610, 2345184, 2605760, 2759040, 2931480, 3126912, 3310848, 3517776, 3908640, 4138560, 4397220, 4690368, 5211520, 5518080, 5862960, 6253824, 7035552, 7817280, 8277120, 8794440, 9380736, 10423040, 11725920, 14071104, 15634560, 16554240, 17588880, 18761472, 23451840, 28142208, 31269120, 35177760, 46903680, 56284416, 70355520, 93807360, 140711040, 281422080]

約数ペア:

[(1, 281422080), (2, 140711040), (3, 93807360), (4, 70355520), (5, 56284416), (6, 46903680), (8, 35177760), (9, 31269120), (10, 28142208), (12, 23451840), (15, 18761472), (16, 17588880), (17, 16554240), (18, 15634560), (20, 14071104), (24, 11725920), (27, 10423040), (30, 9380736), (32, 8794440), (34, 8277120), (36, 7817280), (40, 7035552), (45, 6253824), (48, 5862960), (51, 5518080), (54, 5211520), (60, 4690368), (64, 4397220), (68, 4138560), (72, 3908640), (80, 3517776), (85, 3310848), (90, 3126912), (96, 2931480), (102, 2759040), (108, 2605760), (120, 2345184), (128, 2198610), (135, 2084608), (136, 2069280), (144, 1954320), (153, 1839360), (160, 1758888), (170, 1655424), (180, 1563456), (192, 1465740), (204, 1379520), (216, 1302880), (240, 1172592), (255, 1103616), (256, 1099305), (270, 1042304), (272, 1034640), (288, 977160), (306, 919680), (320, 879444), (340, 827712), (360, 781728), (384, 732870), (408, 689760), (432, 651440), (459, 613120), (479, 587520), (480, 586296), (510, 551808), (540, 521152), (544, 517320), (576, 488580), (612, 459840), (640, 439722), (680, 413856), (720, 390864), (765, 367872), (768, 366435), (816, 344880), (864, 325720), (918, 306560), (958, 293760), (960, 293148), (1020, 275904), (1080, 260576), (1088, 258660), (1152, 244290), (1224, 229920), (1280, 219861), (1360, 206928), (1437, 195840), (1440, 195432), (1530, 183936), (1632, 172440), (1728, 162860), (1836, 153280), (1916, 146880), (1920, 146574), (2040, 137952), (2160, 130288), (2176, 129330), (2295, 122624), (2304, 122145), (2395, 117504), (2448, 114960), (2720, 103464), (2874, 97920), (2880, 97716), (3060, 91968), (3264, 86220), (3456, 81430), (3672, 76640), (3832, 73440), (3840, 73287), (4080, 68976), (4311, 65280), (4320, 65144), (4352, 64665), (4590, 61312), (4790, 58752), (4896, 57480), (5440, 51732), (5748, 48960), (5760, 48858), (6120, 45984), (6528, 43110), (6912, 40715), (7185, 39168), (7344, 38320), (7664, 36720), (8143, 34560), (8160, 34488), (8622, 32640), (8640, 32572), (9180, 30656), (9580, 29376), (9792, 28740), (10880, 25866), (11496, 24480), (11520, 24429), (12240, 22992), (12933, 21760), (13056, 21555), (14370, 19584), (14688, 19160), (15328, 18360), (16286, 17280), (16320, 17244)]