81639936

素因数分解:

$2^9\times 3^2\times 7^1\times {\mathrm{2531}}^1$

素因数の和:2562

約数の個数: 120

約数和(自身を含む): 269384544

約数和(自身を除く): 187744608

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 84, 96, 112, 126, 128, 144, 168, 192, 224, 252, 256, 288, 336, 384, 448, 504, 512, 576, 672, 768, 896, 1008, 1152, 1344, 1536, 1792, 2016, 2304, 2531, 2688, 3584, 4032, 4608, 5062, 5376, 7593, 8064, 10124, 10752, 15186, 16128, 17717, 20248, 22779, 30372, 32256, 35434, 40496, 45558, 53151, 60744, 70868, 80992, 91116, 106302, 121488, 141736, 159453, 161984, 182232, 212604, 242976, 283472, 318906, 323968, 364464, 425208, 485952, 566944, 637812, 647936, 728928, 850416, 971904, 1133888, 1275624, 1295872, 1457856, 1700832, 1943808, 2267776, 2551248, 2915712, 3401664, 3887616, 4535552, 5102496, 5831424, 6803328, 9071104, 10204992, 11662848, 13606656, 20409984, 27213312, 40819968, 81639936]

約数ペア:

[(1, 81639936), (2, 40819968), (3, 27213312), (4, 20409984), (6, 13606656), (7, 11662848), (8, 10204992), (9, 9071104), (12, 6803328), (14, 5831424), (16, 5102496), (18, 4535552), (21, 3887616), (24, 3401664), (28, 2915712), (32, 2551248), (36, 2267776), (42, 1943808), (48, 1700832), (56, 1457856), (63, 1295872), (64, 1275624), (72, 1133888), (84, 971904), (96, 850416), (112, 728928), (126, 647936), (128, 637812), (144, 566944), (168, 485952), (192, 425208), (224, 364464), (252, 323968), (256, 318906), (288, 283472), (336, 242976), (384, 212604), (448, 182232), (504, 161984), (512, 159453), (576, 141736), (672, 121488), (768, 106302), (896, 91116), (1008, 80992), (1152, 70868), (1344, 60744), (1536, 53151), (1792, 45558), (2016, 40496), (2304, 35434), (2531, 32256), (2688, 30372), (3584, 22779), (4032, 20248), (4608, 17717), (5062, 16128), (5376, 15186), (7593, 10752), (8064, 10124)]