257515008

素因数分解:

$2^9\times 3^1\times {\mathrm{359}}^1\times {\mathrm{467}}^1$

素因数の和:847

約数の個数: 80

約数和(自身を含む): 689420160

約数和(自身を除く): 431905152

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 359, 384, 467, 512, 718, 768, 934, 1077, 1401, 1436, 1536, 1868, 2154, 2802, 2872, 3736, 4308, 5604, 5744, 7472, 8616, 11208, 11488, 14944, 17232, 22416, 22976, 29888, 34464, 44832, 45952, 59776, 68928, 89664, 91904, 119552, 137856, 167653, 179328, 183808, 239104, 275712, 335306, 358656, 502959, 551424, 670612, 717312, 1005918, 1341224, 2011836, 2682448, 4023672, 5364896, 8047344, 10729792, 16094688, 21459584, 32189376, 42919168, 64378752, 85838336, 128757504, 257515008]

約数ペア:

[(1, 257515008), (2, 128757504), (3, 85838336), (4, 64378752), (6, 42919168), (8, 32189376), (12, 21459584), (16, 16094688), (24, 10729792), (32, 8047344), (48, 5364896), (64, 4023672), (96, 2682448), (128, 2011836), (192, 1341224), (256, 1005918), (359, 717312), (384, 670612), (467, 551424), (512, 502959), (718, 358656), (768, 335306), (934, 275712), (1077, 239104), (1401, 183808), (1436, 179328), (1536, 167653), (1868, 137856), (2154, 119552), (2802, 91904), (2872, 89664), (3736, 68928), (4308, 59776), (5604, 45952), (5744, 44832), (7472, 34464), (8616, 29888), (11208, 22976), (11488, 22416), (14944, 17232)]