61721856

素因数分解:

$2^8\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:161

約数の個数: 216

約数和(自身を含む): 210450240

約数和(自身を除く): 148728384

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 43, 48, 56, 63, 64, 72, 84, 86, 89, 96, 112, 126, 128, 129, 144, 168, 172, 178, 192, 224, 252, 256, 258, 267, 288, 301, 336, 344, 356, 384, 387, 448, 504, 516, 534, 576, 602, 623, 672, 688, 712, 768, 774, 801, 896, 903, 1008, 1032, 1068, 1152, 1204, 1246, 1344, 1376, 1424, 1548, 1602, 1792, 1806, 1869, 2016, 2064, 2136, 2304, 2408, 2492, 2688, 2709, 2752, 2848, 3096, 3204, 3612, 3738, 3827, 4032, 4128, 4272, 4816, 4984, 5376, 5418, 5504, 5607, 5696, 6192, 6408, 7224, 7476, 7654, 8064, 8256, 8544, 9632, 9968, 10836, 11008, 11214, 11392, 11481, 12384, 12816, 14448, 14952, 15308, 16128, 16512, 17088, 19264, 19936, 21672, 22428, 22784, 22962, 24768, 25632, 26789, 28896, 29904, 30616, 33024, 34176, 34443, 38528, 39872, 43344, 44856, 45924, 49536, 51264, 53578, 57792, 59808, 61232, 68352, 68886, 77056, 79744, 80367, 86688, 89712, 91848, 99072, 102528, 107156, 115584, 119616, 122464, 137772, 159488, 160734, 173376, 179424, 183696, 205056, 214312, 231168, 239232, 241101, 244928, 275544, 321468, 346752, 358848, 367392, 428624, 478464, 482202, 489856, 551088, 642936, 693504, 717696, 734784, 857248, 964404, 979712, 1102176, 1285872, 1435392, 1469568, 1714496, 1928808, 2204352, 2571744, 2939136, 3428992, 3857616, 4408704, 5143488, 6857984, 7715232, 8817408, 10286976, 15430464, 20573952, 30860928, 61721856]

約数ペア:

[(1, 61721856), (2, 30860928), (3, 20573952), (4, 15430464), (6, 10286976), (7, 8817408), (8, 7715232), (9, 6857984), (12, 5143488), (14, 4408704), (16, 3857616), (18, 3428992), (21, 2939136), (24, 2571744), (28, 2204352), (32, 1928808), (36, 1714496), (42, 1469568), (43, 1435392), (48, 1285872), (56, 1102176), (63, 979712), (64, 964404), (72, 857248), (84, 734784), (86, 717696), (89, 693504), (96, 642936), (112, 551088), (126, 489856), (128, 482202), (129, 478464), (144, 428624), (168, 367392), (172, 358848), (178, 346752), (192, 321468), (224, 275544), (252, 244928), (256, 241101), (258, 239232), (267, 231168), (288, 214312), (301, 205056), (336, 183696), (344, 179424), (356, 173376), (384, 160734), (387, 159488), (448, 137772), (504, 122464), (516, 119616), (534, 115584), (576, 107156), (602, 102528), (623, 99072), (672, 91848), (688, 89712), (712, 86688), (768, 80367), (774, 79744), (801, 77056), (896, 68886), (903, 68352), (1008, 61232), (1032, 59808), (1068, 57792), (1152, 53578), (1204, 51264), (1246, 49536), (1344, 45924), (1376, 44856), (1424, 43344), (1548, 39872), (1602, 38528), (1792, 34443), (1806, 34176), (1869, 33024), (2016, 30616), (2064, 29904), (2136, 28896), (2304, 26789), (2408, 25632), (2492, 24768), (2688, 22962), (2709, 22784), (2752, 22428), (2848, 21672), (3096, 19936), (3204, 19264), (3612, 17088), (3738, 16512), (3827, 16128), (4032, 15308), (4128, 14952), (4272, 14448), (4816, 12816), (4984, 12384), (5376, 11481), (5418, 11392), (5504, 11214), (5607, 11008), (5696, 10836), (6192, 9968), (6408, 9632), (7224, 8544), (7476, 8256), (7654, 8064)]