261575664

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{541}}^1\times {\mathrm{1439}}^1$

素因数の和:1998

約数の個数: 80

約数和(自身を含む): 774236160

約数和(自身を除く): 512660496

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 541, 1082, 1439, 1623, 2164, 2878, 3246, 3787, 4317, 4328, 5756, 6492, 7574, 8634, 8656, 10073, 11361, 11512, 12984, 15148, 17268, 20146, 22722, 23024, 25968, 30219, 30296, 34536, 40292, 45444, 60438, 60592, 69072, 80584, 90888, 120876, 161168, 181776, 241752, 483504, 778499, 1556998, 2335497, 3113996, 4670994, 5449493, 6227992, 9341988, 10898986, 12455984, 16348479, 18683976, 21797972, 32696958, 37367952, 43595944, 65393916, 87191888, 130787832, 261575664]

約数ペア:

[(1, 261575664), (2, 130787832), (3, 87191888), (4, 65393916), (6, 43595944), (7, 37367952), (8, 32696958), (12, 21797972), (14, 18683976), (16, 16348479), (21, 12455984), (24, 10898986), (28, 9341988), (42, 6227992), (48, 5449493), (56, 4670994), (84, 3113996), (112, 2335497), (168, 1556998), (336, 778499), (541, 483504), (1082, 241752), (1439, 181776), (1623, 161168), (2164, 120876), (2878, 90888), (3246, 80584), (3787, 69072), (4317, 60592), (4328, 60438), (5756, 45444), (6492, 40292), (7574, 34536), (8634, 30296), (8656, 30219), (10073, 25968), (11361, 23024), (11512, 22722), (12984, 20146), (15148, 17268)]