81568656

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43573}}^1$

素因数の和:43600

約数の個数: 60

約数和(自身を含む): 245844508

約数和(自身を除く): 164275852

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 468, 624, 936, 1872, 43573, 87146, 130719, 174292, 261438, 348584, 392157, 522876, 566449, 697168, 784314, 1045752, 1132898, 1568628, 1699347, 2091504, 2265796, 3137256, 3398694, 4531592, 5098041, 6274512, 6797388, 9063184, 10196082, 13594776, 20392164, 27189552, 40784328, 81568656]

約数ペア:

[(1, 81568656), (2, 40784328), (3, 27189552), (4, 20392164), (6, 13594776), (8, 10196082), (9, 9063184), (12, 6797388), (13, 6274512), (16, 5098041), (18, 4531592), (24, 3398694), (26, 3137256), (36, 2265796), (39, 2091504), (48, 1699347), (52, 1568628), (72, 1132898), (78, 1045752), (104, 784314), (117, 697168), (144, 566449), (156, 522876), (208, 392157), (234, 348584), (312, 261438), (468, 174292), (624, 130719), (936, 87146), (1872, 43573)]