261507168

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{69847}}^1$

素因数の和:69876

約数の個数: 72

約数和(自身を含む): 800877168

約数和(自身を除く): 539370000

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 234, 288, 312, 416, 468, 624, 936, 1248, 1872, 3744, 69847, 139694, 209541, 279388, 419082, 558776, 628623, 838164, 908011, 1117552, 1257246, 1676328, 1816022, 2235104, 2514492, 2724033, 3352656, 3632044, 5028984, 5448066, 6705312, 7264088, 8172099, 10057968, 10896132, 14528176, 16344198, 20115936, 21792264, 29056352, 32688396, 43584528, 65376792, 87169056, 130753584, 261507168]

約数ペア:

[(1, 261507168), (2, 130753584), (3, 87169056), (4, 65376792), (6, 43584528), (8, 32688396), (9, 29056352), (12, 21792264), (13, 20115936), (16, 16344198), (18, 14528176), (24, 10896132), (26, 10057968), (32, 8172099), (36, 7264088), (39, 6705312), (48, 5448066), (52, 5028984), (72, 3632044), (78, 3352656), (96, 2724033), (104, 2514492), (117, 2235104), (144, 1816022), (156, 1676328), (208, 1257246), (234, 1117552), (288, 908011), (312, 838164), (416, 628623), (468, 558776), (624, 419082), (936, 279388), (1248, 209541), (1872, 139694), (3744, 69847)]