81406656

素因数分解:

$2^6\times 3^2\times {\mathrm{79}}^1\times {\mathrm{1789}}^1$

素因数の和:1886

約数の個数: 84

約数和(自身を含む): 236423200

約数和(自身を除く): 155016544

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 79, 96, 144, 158, 192, 237, 288, 316, 474, 576, 632, 711, 948, 1264, 1422, 1789, 1896, 2528, 2844, 3578, 3792, 5056, 5367, 5688, 7156, 7584, 10734, 11376, 14312, 15168, 16101, 21468, 22752, 28624, 32202, 42936, 45504, 57248, 64404, 85872, 114496, 128808, 141331, 171744, 257616, 282662, 343488, 423993, 515232, 565324, 847986, 1030464, 1130648, 1271979, 1695972, 2261296, 2543958, 3391944, 4522592, 5087916, 6783888, 9045184, 10175832, 13567776, 20351664, 27135552, 40703328, 81406656]

約数ペア:

[(1, 81406656), (2, 40703328), (3, 27135552), (4, 20351664), (6, 13567776), (8, 10175832), (9, 9045184), (12, 6783888), (16, 5087916), (18, 4522592), (24, 3391944), (32, 2543958), (36, 2261296), (48, 1695972), (64, 1271979), (72, 1130648), (79, 1030464), (96, 847986), (144, 565324), (158, 515232), (192, 423993), (237, 343488), (288, 282662), (316, 257616), (474, 171744), (576, 141331), (632, 128808), (711, 114496), (948, 85872), (1264, 64404), (1422, 57248), (1789, 45504), (1896, 42936), (2528, 32202), (2844, 28624), (3578, 22752), (3792, 21468), (5056, 16101), (5367, 15168), (5688, 14312), (7156, 11376), (7584, 10734)]