81295872

素因数分解:

$2^9\times 3^1\times 7^1\times {\mathrm{7561}}^1$

素因数の和:7589

約数の個数: 80

約数和(自身を含む): 247549632

約数和(自身を除く): 166253760

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 256, 336, 384, 448, 512, 672, 768, 896, 1344, 1536, 1792, 2688, 3584, 5376, 7561, 10752, 15122, 22683, 30244, 45366, 52927, 60488, 90732, 105854, 120976, 158781, 181464, 211708, 241952, 317562, 362928, 423416, 483904, 635124, 725856, 846832, 967808, 1270248, 1451712, 1693664, 1935616, 2540496, 2903424, 3387328, 3871232, 5080992, 5806848, 6774656, 10161984, 11613696, 13549312, 20323968, 27098624, 40647936, 81295872]

約数ペア:

[(1, 81295872), (2, 40647936), (3, 27098624), (4, 20323968), (6, 13549312), (7, 11613696), (8, 10161984), (12, 6774656), (14, 5806848), (16, 5080992), (21, 3871232), (24, 3387328), (28, 2903424), (32, 2540496), (42, 1935616), (48, 1693664), (56, 1451712), (64, 1270248), (84, 967808), (96, 846832), (112, 725856), (128, 635124), (168, 483904), (192, 423416), (224, 362928), (256, 317562), (336, 241952), (384, 211708), (448, 181464), (512, 158781), (672, 120976), (768, 105854), (896, 90732), (1344, 60488), (1536, 52927), (1792, 45366), (2688, 30244), (3584, 22683), (5376, 15122), (7561, 10752)]