74142880

素因数分解:

$2^5\times 5^1\times 7^4\times {\mathrm{193}}^1$

素因数の和:236

約数の個数: 120

約数和(自身を含む): 205402932

約数和(自身を除く): 131260052

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 193, 196, 224, 245, 280, 343, 386, 392, 490, 560, 686, 772, 784, 965, 980, 1120, 1351, 1372, 1544, 1568, 1715, 1930, 1960, 2401, 2702, 2744, 3088, 3430, 3860, 3920, 4802, 5404, 5488, 6176, 6755, 6860, 7720, 7840, 9457, 9604, 10808, 10976, 12005, 13510, 13720, 15440, 18914, 19208, 21616, 24010, 27020, 27440, 30880, 37828, 38416, 43232, 47285, 48020, 54040, 54880, 66199, 75656, 76832, 94570, 96040, 108080, 132398, 151312, 189140, 192080, 216160, 264796, 302624, 330995, 378280, 384160, 463393, 529592, 661990, 756560, 926786, 1059184, 1323980, 1513120, 1853572, 2118368, 2316965, 2647960, 3707144, 4633930, 5295920, 7414288, 9267860, 10591840, 14828576, 18535720, 37071440, 74142880]

約数ペア:

[(1, 74142880), (2, 37071440), (4, 18535720), (5, 14828576), (7, 10591840), (8, 9267860), (10, 7414288), (14, 5295920), (16, 4633930), (20, 3707144), (28, 2647960), (32, 2316965), (35, 2118368), (40, 1853572), (49, 1513120), (56, 1323980), (70, 1059184), (80, 926786), (98, 756560), (112, 661990), (140, 529592), (160, 463393), (193, 384160), (196, 378280), (224, 330995), (245, 302624), (280, 264796), (343, 216160), (386, 192080), (392, 189140), (490, 151312), (560, 132398), (686, 108080), (772, 96040), (784, 94570), (965, 76832), (980, 75656), (1120, 66199), (1351, 54880), (1372, 54040), (1544, 48020), (1568, 47285), (1715, 43232), (1930, 38416), (1960, 37828), (2401, 30880), (2702, 27440), (2744, 27020), (3088, 24010), (3430, 21616), (3860, 19208), (3920, 18914), (4802, 15440), (5404, 13720), (5488, 13510), (6176, 12005), (6755, 10976), (6860, 10808), (7720, 9604), (7840, 9457)]