28033920

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:213

約数の個数: 192

約数和(自身を含む): 100563840

約数和(自身を除く): 72529920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 64, 72, 80, 90, 93, 96, 120, 124, 128, 144, 155, 157, 160, 180, 186, 192, 240, 248, 279, 288, 310, 314, 320, 360, 372, 384, 465, 471, 480, 496, 558, 576, 620, 628, 640, 720, 744, 785, 930, 942, 960, 992, 1116, 1152, 1240, 1256, 1395, 1413, 1440, 1488, 1570, 1860, 1884, 1920, 1984, 2232, 2355, 2480, 2512, 2790, 2826, 2880, 2976, 3140, 3720, 3768, 3968, 4464, 4710, 4867, 4960, 5024, 5580, 5652, 5760, 5952, 6280, 7065, 7440, 7536, 8928, 9420, 9734, 9920, 10048, 11160, 11304, 11904, 12560, 14130, 14601, 14880, 15072, 17856, 18840, 19468, 19840, 20096, 22320, 22608, 24335, 25120, 28260, 29202, 29760, 30144, 35712, 37680, 38936, 43803, 44640, 45216, 48670, 50240, 56520, 58404, 59520, 60288, 73005, 75360, 77872, 87606, 89280, 90432, 97340, 100480, 113040, 116808, 146010, 150720, 155744, 175212, 178560, 180864, 194680, 219015, 226080, 233616, 292020, 301440, 311488, 350424, 389360, 438030, 452160, 467232, 584040, 622976, 700848, 778720, 876060, 904320, 934464, 1168080, 1401696, 1557440, 1752120, 1868928, 2336160, 2803392, 3114880, 3504240, 4672320, 5606784, 7008480, 9344640, 14016960, 28033920]

約数ペア:

[(1, 28033920), (2, 14016960), (3, 9344640), (4, 7008480), (5, 5606784), (6, 4672320), (8, 3504240), (9, 3114880), (10, 2803392), (12, 2336160), (15, 1868928), (16, 1752120), (18, 1557440), (20, 1401696), (24, 1168080), (30, 934464), (31, 904320), (32, 876060), (36, 778720), (40, 700848), (45, 622976), (48, 584040), (60, 467232), (62, 452160), (64, 438030), (72, 389360), (80, 350424), (90, 311488), (93, 301440), (96, 292020), (120, 233616), (124, 226080), (128, 219015), (144, 194680), (155, 180864), (157, 178560), (160, 175212), (180, 155744), (186, 150720), (192, 146010), (240, 116808), (248, 113040), (279, 100480), (288, 97340), (310, 90432), (314, 89280), (320, 87606), (360, 77872), (372, 75360), (384, 73005), (465, 60288), (471, 59520), (480, 58404), (496, 56520), (558, 50240), (576, 48670), (620, 45216), (628, 44640), (640, 43803), (720, 38936), (744, 37680), (785, 35712), (930, 30144), (942, 29760), (960, 29202), (992, 28260), (1116, 25120), (1152, 24335), (1240, 22608), (1256, 22320), (1395, 20096), (1413, 19840), (1440, 19468), (1488, 18840), (1570, 17856), (1860, 15072), (1884, 14880), (1920, 14601), (1984, 14130), (2232, 12560), (2355, 11904), (2480, 11304), (2512, 11160), (2790, 10048), (2826, 9920), (2880, 9734), (2976, 9420), (3140, 8928), (3720, 7536), (3768, 7440), (3968, 7065), (4464, 6280), (4710, 5952), (4867, 5760), (4960, 5652), (5024, 5580)]