331336280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{4987}}^1$

素因数の和:5160

約数の個数: 64

約数和(自身を含む): 818830080

約数和(自身を除く): 487493800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 151, 220, 302, 440, 604, 755, 1208, 1510, 1661, 3020, 3322, 4987, 6040, 6644, 8305, 9974, 13288, 16610, 19948, 24935, 33220, 39896, 49870, 54857, 66440, 99740, 109714, 199480, 219428, 274285, 438856, 548570, 753037, 1097140, 1506074, 2194280, 3012148, 3765185, 6024296, 7530370, 8283407, 15060740, 16566814, 30121480, 33133628, 41417035, 66267256, 82834070, 165668140, 331336280]

約数ペア:

[(1, 331336280), (2, 165668140), (4, 82834070), (5, 66267256), (8, 41417035), (10, 33133628), (11, 30121480), (20, 16566814), (22, 15060740), (40, 8283407), (44, 7530370), (55, 6024296), (88, 3765185), (110, 3012148), (151, 2194280), (220, 1506074), (302, 1097140), (440, 753037), (604, 548570), (755, 438856), (1208, 274285), (1510, 219428), (1661, 199480), (3020, 109714), (3322, 99740), (4987, 66440), (6040, 54857), (6644, 49870), (8305, 39896), (9974, 33220), (13288, 24935), (16610, 19948)]