1290406656

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{21821}}^1$

素因数の和:21858

約数の個数: 144

約数和(自身を含む): 4282000128

約数和(自身を除く): 2991593472

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 32, 33, 42, 44, 48, 56, 64, 66, 77, 84, 88, 96, 112, 128, 132, 154, 168, 176, 192, 224, 231, 256, 264, 308, 336, 352, 384, 448, 462, 528, 616, 672, 704, 768, 896, 924, 1056, 1232, 1344, 1408, 1792, 1848, 2112, 2464, 2688, 2816, 3696, 4224, 4928, 5376, 7392, 8448, 9856, 14784, 19712, 21821, 29568, 43642, 59136, 65463, 87284, 130926, 152747, 174568, 240031, 261852, 305494, 349136, 458241, 480062, 523704, 610988, 698272, 720093, 916482, 960124, 1047408, 1221976, 1396544, 1440186, 1680217, 1832964, 1920248, 2094816, 2443952, 2793088, 2880372, 3360434, 3665928, 3840496, 4189632, 4887904, 5040651, 5586176, 5760744, 6720868, 7331856, 7680992, 8379264, 9775808, 10081302, 11521488, 13441736, 14663712, 15361984, 16758528, 19551616, 20162604, 23042976, 26883472, 29327424, 30723968, 39103232, 40325208, 46085952, 53766944, 58654848, 61447936, 80650416, 92171904, 107533888, 117309696, 161300832, 184343808, 215067776, 322601664, 430135552, 645203328, 1290406656]

約数ペア:

[(1, 1290406656), (2, 645203328), (3, 430135552), (4, 322601664), (6, 215067776), (7, 184343808), (8, 161300832), (11, 117309696), (12, 107533888), (14, 92171904), (16, 80650416), (21, 61447936), (22, 58654848), (24, 53766944), (28, 46085952), (32, 40325208), (33, 39103232), (42, 30723968), (44, 29327424), (48, 26883472), (56, 23042976), (64, 20162604), (66, 19551616), (77, 16758528), (84, 15361984), (88, 14663712), (96, 13441736), (112, 11521488), (128, 10081302), (132, 9775808), (154, 8379264), (168, 7680992), (176, 7331856), (192, 6720868), (224, 5760744), (231, 5586176), (256, 5040651), (264, 4887904), (308, 4189632), (336, 3840496), (352, 3665928), (384, 3360434), (448, 2880372), (462, 2793088), (528, 2443952), (616, 2094816), (672, 1920248), (704, 1832964), (768, 1680217), (896, 1440186), (924, 1396544), (1056, 1221976), (1232, 1047408), (1344, 960124), (1408, 916482), (1792, 720093), (1848, 698272), (2112, 610988), (2464, 523704), (2688, 480062), (2816, 458241), (3696, 349136), (4224, 305494), (4928, 261852), (5376, 240031), (7392, 174568), (8448, 152747), (9856, 130926), (14784, 87284), (19712, 65463), (21821, 59136), (29568, 43642)]