640166912

素因数分解:

$2^{10}\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{353}}^1$

素因数の和:414

約数の個数: 176

約数和(自身を含む): 1669565952

約数和(自身を除く): 1029399040

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 23, 28, 32, 44, 46, 56, 64, 77, 88, 92, 112, 128, 154, 161, 176, 184, 224, 253, 256, 308, 322, 352, 353, 368, 448, 506, 512, 616, 644, 704, 706, 736, 896, 1012, 1024, 1232, 1288, 1408, 1412, 1472, 1771, 1792, 2024, 2464, 2471, 2576, 2816, 2824, 2944, 3542, 3584, 3883, 4048, 4928, 4942, 5152, 5632, 5648, 5888, 7084, 7168, 7766, 8096, 8119, 9856, 9884, 10304, 11264, 11296, 11776, 14168, 15532, 16192, 16238, 19712, 19768, 20608, 22592, 23552, 27181, 28336, 31064, 32384, 32476, 39424, 39536, 41216, 45184, 54362, 56672, 56833, 62128, 64768, 64952, 78848, 79072, 82432, 89309, 90368, 108724, 113344, 113666, 124256, 129536, 129904, 158144, 164864, 178618, 180736, 217448, 226688, 227332, 248512, 259072, 259808, 316288, 357236, 361472, 434896, 453376, 454664, 497024, 519616, 625163, 632576, 714472, 869792, 906752, 909328, 994048, 1039232, 1250326, 1265152, 1428944, 1739584, 1813504, 1818656, 1988096, 2078464, 2500652, 2530304, 2857888, 3479168, 3637312, 3976192, 4156928, 5001304, 5715776, 6958336, 7274624, 8313856, 10002608, 11431552, 13916672, 14549248, 20005216, 22863104, 27833344, 29098496, 40010432, 45726208, 58196992, 80020864, 91452416, 160041728, 320083456, 640166912]

約数ペア:

[(1, 640166912), (2, 320083456), (4, 160041728), (7, 91452416), (8, 80020864), (11, 58196992), (14, 45726208), (16, 40010432), (22, 29098496), (23, 27833344), (28, 22863104), (32, 20005216), (44, 14549248), (46, 13916672), (56, 11431552), (64, 10002608), (77, 8313856), (88, 7274624), (92, 6958336), (112, 5715776), (128, 5001304), (154, 4156928), (161, 3976192), (176, 3637312), (184, 3479168), (224, 2857888), (253, 2530304), (256, 2500652), (308, 2078464), (322, 1988096), (352, 1818656), (353, 1813504), (368, 1739584), (448, 1428944), (506, 1265152), (512, 1250326), (616, 1039232), (644, 994048), (704, 909328), (706, 906752), (736, 869792), (896, 714472), (1012, 632576), (1024, 625163), (1232, 519616), (1288, 497024), (1408, 454664), (1412, 453376), (1472, 434896), (1771, 361472), (1792, 357236), (2024, 316288), (2464, 259808), (2471, 259072), (2576, 248512), (2816, 227332), (2824, 226688), (2944, 217448), (3542, 180736), (3584, 178618), (3883, 164864), (4048, 158144), (4928, 129904), (4942, 129536), (5152, 124256), (5632, 113666), (5648, 113344), (5888, 108724), (7084, 90368), (7168, 89309), (7766, 82432), (8096, 79072), (8119, 78848), (9856, 64952), (9884, 64768), (10304, 62128), (11264, 56833), (11296, 56672), (11776, 54362), (14168, 45184), (15532, 41216), (16192, 39536), (16238, 39424), (19712, 32476), (19768, 32384), (20608, 31064), (22592, 28336), (23552, 27181)]