84734720

素因数分解:

$2^8\times 5^1\times 7^3\times {\mathrm{193}}^1$

素因数の和:235

約数の個数: 144

約数和(自身を含む): 237921600

約数和(自身を除く): 153186880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 193, 196, 224, 245, 256, 280, 320, 343, 386, 392, 448, 490, 560, 640, 686, 772, 784, 896, 965, 980, 1120, 1280, 1351, 1372, 1544, 1568, 1715, 1792, 1930, 1960, 2240, 2702, 2744, 3088, 3136, 3430, 3860, 3920, 4480, 5404, 5488, 6176, 6272, 6755, 6860, 7720, 7840, 8960, 9457, 10808, 10976, 12352, 12544, 13510, 13720, 15440, 15680, 18914, 21616, 21952, 24704, 27020, 27440, 30880, 31360, 37828, 43232, 43904, 47285, 49408, 54040, 54880, 61760, 62720, 66199, 75656, 86464, 87808, 94570, 108080, 109760, 123520, 132398, 151312, 172928, 189140, 216160, 219520, 247040, 264796, 302624, 330995, 345856, 378280, 432320, 439040, 529592, 605248, 661990, 756560, 864640, 1059184, 1210496, 1323980, 1513120, 1729280, 2118368, 2420992, 2647960, 3026240, 4236736, 5295920, 6052480, 8473472, 10591840, 12104960, 16946944, 21183680, 42367360, 84734720]

約数ペア:

[(1, 84734720), (2, 42367360), (4, 21183680), (5, 16946944), (7, 12104960), (8, 10591840), (10, 8473472), (14, 6052480), (16, 5295920), (20, 4236736), (28, 3026240), (32, 2647960), (35, 2420992), (40, 2118368), (49, 1729280), (56, 1513120), (64, 1323980), (70, 1210496), (80, 1059184), (98, 864640), (112, 756560), (128, 661990), (140, 605248), (160, 529592), (193, 439040), (196, 432320), (224, 378280), (245, 345856), (256, 330995), (280, 302624), (320, 264796), (343, 247040), (386, 219520), (392, 216160), (448, 189140), (490, 172928), (560, 151312), (640, 132398), (686, 123520), (772, 109760), (784, 108080), (896, 94570), (965, 87808), (980, 86464), (1120, 75656), (1280, 66199), (1351, 62720), (1372, 61760), (1544, 54880), (1568, 54040), (1715, 49408), (1792, 47285), (1930, 43904), (1960, 43232), (2240, 37828), (2702, 31360), (2744, 30880), (3088, 27440), (3136, 27020), (3430, 24704), (3860, 21952), (3920, 21616), (4480, 18914), (5404, 15680), (5488, 15440), (6176, 13720), (6272, 13510), (6755, 12544), (6860, 12352), (7720, 10976), (7840, 10808), (8960, 9457)]