261388032

素因数分解:

$2^8\times 3^1\times {\mathrm{31}}^1\times {\mathrm{10979}}^1$

素因数の和:11029

約数の個数: 72

約数和(自身を含む): 718179840

約数和(自身を除く): 456791808

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 93, 96, 124, 128, 186, 192, 248, 256, 372, 384, 496, 744, 768, 992, 1488, 1984, 2976, 3968, 5952, 7936, 10979, 11904, 21958, 23808, 32937, 43916, 65874, 87832, 131748, 175664, 263496, 340349, 351328, 526992, 680698, 702656, 1021047, 1053984, 1361396, 1405312, 2042094, 2107968, 2722792, 2810624, 4084188, 4215936, 5445584, 8168376, 8431872, 10891168, 16336752, 21782336, 32673504, 43564672, 65347008, 87129344, 130694016, 261388032]

約数ペア:

[(1, 261388032), (2, 130694016), (3, 87129344), (4, 65347008), (6, 43564672), (8, 32673504), (12, 21782336), (16, 16336752), (24, 10891168), (31, 8431872), (32, 8168376), (48, 5445584), (62, 4215936), (64, 4084188), (93, 2810624), (96, 2722792), (124, 2107968), (128, 2042094), (186, 1405312), (192, 1361396), (248, 1053984), (256, 1021047), (372, 702656), (384, 680698), (496, 526992), (744, 351328), (768, 340349), (992, 263496), (1488, 175664), (1984, 131748), (2976, 87832), (3968, 65874), (5952, 43916), (7936, 32937), (10979, 23808), (11904, 21958)]