18538560

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:221

約数の個数: 168

約数和(自身を含む): 65736216

約数和(自身を除く): 47197656

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 41, 45, 48, 60, 64, 72, 80, 82, 90, 96, 120, 123, 144, 157, 160, 164, 180, 192, 205, 240, 246, 288, 314, 320, 328, 360, 369, 410, 471, 480, 492, 576, 615, 628, 656, 720, 738, 785, 820, 942, 960, 984, 1230, 1256, 1312, 1413, 1440, 1476, 1570, 1640, 1845, 1884, 1968, 2355, 2460, 2512, 2624, 2826, 2880, 2952, 3140, 3280, 3690, 3768, 3936, 4710, 4920, 5024, 5652, 5904, 6280, 6437, 6560, 7065, 7380, 7536, 7872, 9420, 9840, 10048, 11304, 11808, 12560, 12874, 13120, 14130, 14760, 15072, 18840, 19311, 19680, 22608, 23616, 25120, 25748, 28260, 29520, 30144, 32185, 37680, 38622, 39360, 45216, 50240, 51496, 56520, 57933, 59040, 64370, 75360, 77244, 90432, 96555, 102992, 113040, 115866, 118080, 128740, 150720, 154488, 193110, 205984, 226080, 231732, 257480, 289665, 308976, 386220, 411968, 452160, 463464, 514960, 579330, 617952, 772440, 926928, 1029920, 1158660, 1235904, 1544880, 1853856, 2059840, 2317320, 3089760, 3707712, 4634640, 6179520, 9269280, 18538560]

約数ペア:

[(1, 18538560), (2, 9269280), (3, 6179520), (4, 4634640), (5, 3707712), (6, 3089760), (8, 2317320), (9, 2059840), (10, 1853856), (12, 1544880), (15, 1235904), (16, 1158660), (18, 1029920), (20, 926928), (24, 772440), (30, 617952), (32, 579330), (36, 514960), (40, 463464), (41, 452160), (45, 411968), (48, 386220), (60, 308976), (64, 289665), (72, 257480), (80, 231732), (82, 226080), (90, 205984), (96, 193110), (120, 154488), (123, 150720), (144, 128740), (157, 118080), (160, 115866), (164, 113040), (180, 102992), (192, 96555), (205, 90432), (240, 77244), (246, 75360), (288, 64370), (314, 59040), (320, 57933), (328, 56520), (360, 51496), (369, 50240), (410, 45216), (471, 39360), (480, 38622), (492, 37680), (576, 32185), (615, 30144), (628, 29520), (656, 28260), (720, 25748), (738, 25120), (785, 23616), (820, 22608), (942, 19680), (960, 19311), (984, 18840), (1230, 15072), (1256, 14760), (1312, 14130), (1413, 13120), (1440, 12874), (1476, 12560), (1570, 11808), (1640, 11304), (1845, 10048), (1884, 9840), (1968, 9420), (2355, 7872), (2460, 7536), (2512, 7380), (2624, 7065), (2826, 6560), (2880, 6437), (2952, 6280), (3140, 5904), (3280, 5652), (3690, 5024), (3768, 4920), (3936, 4710)]