81856656

素因数分解:

$2^4\times 3^4\times 7^2\times {\mathrm{1289}}^1$

素因数の和:1323

約数の個数: 150

約数和(自身を含む): 275811030

約数和(自身を除く): 193954374

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 49, 54, 56, 63, 72, 81, 84, 98, 108, 112, 126, 144, 147, 162, 168, 189, 196, 216, 252, 294, 324, 336, 378, 392, 432, 441, 504, 567, 588, 648, 756, 784, 882, 1008, 1134, 1176, 1289, 1296, 1323, 1512, 1764, 2268, 2352, 2578, 2646, 3024, 3528, 3867, 3969, 4536, 5156, 5292, 7056, 7734, 7938, 9023, 9072, 10312, 10584, 11601, 15468, 15876, 18046, 20624, 21168, 23202, 27069, 30936, 31752, 34803, 36092, 46404, 54138, 61872, 63161, 63504, 69606, 72184, 81207, 92808, 104409, 108276, 126322, 139212, 144368, 162414, 185616, 189483, 208818, 216552, 243621, 252644, 278424, 324828, 378966, 417636, 433104, 487242, 505288, 556848, 568449, 649656, 730863, 757932, 835272, 974484, 1010576, 1136898, 1299312, 1461726, 1515864, 1670544, 1705347, 1948968, 2273796, 2923452, 3031728, 3410694, 3897936, 4547592, 5116041, 5846904, 6821388, 9095184, 10232082, 11693808, 13642776, 20464164, 27285552, 40928328, 81856656]

約数ペア:

[(1, 81856656), (2, 40928328), (3, 27285552), (4, 20464164), (6, 13642776), (7, 11693808), (8, 10232082), (9, 9095184), (12, 6821388), (14, 5846904), (16, 5116041), (18, 4547592), (21, 3897936), (24, 3410694), (27, 3031728), (28, 2923452), (36, 2273796), (42, 1948968), (48, 1705347), (49, 1670544), (54, 1515864), (56, 1461726), (63, 1299312), (72, 1136898), (81, 1010576), (84, 974484), (98, 835272), (108, 757932), (112, 730863), (126, 649656), (144, 568449), (147, 556848), (162, 505288), (168, 487242), (189, 433104), (196, 417636), (216, 378966), (252, 324828), (294, 278424), (324, 252644), (336, 243621), (378, 216552), (392, 208818), (432, 189483), (441, 185616), (504, 162414), (567, 144368), (588, 139212), (648, 126322), (756, 108276), (784, 104409), (882, 92808), (1008, 81207), (1134, 72184), (1176, 69606), (1289, 63504), (1296, 63161), (1323, 61872), (1512, 54138), (1764, 46404), (2268, 36092), (2352, 34803), (2578, 31752), (2646, 30936), (3024, 27069), (3528, 23202), (3867, 21168), (3969, 20624), (4536, 18046), (5156, 15876), (5292, 15468), (7056, 11601), (7734, 10584), (7938, 10312), (9023, 9072)]