80848740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{192497}}^1$

素因数の和:192516

約数の個数: 48

約数和(自身を含む): 258717312

約数和(自身を除く): 177868572

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 192497, 384994, 577491, 769988, 962485, 1154982, 1347479, 1924970, 2309964, 2694958, 2887455, 3849940, 4042437, 5389916, 5774910, 6737395, 8084874, 11549820, 13474790, 16169748, 20212185, 26949580, 40424370, 80848740]

約数ペア:

[(1, 80848740), (2, 40424370), (3, 26949580), (4, 20212185), (5, 16169748), (6, 13474790), (7, 11549820), (10, 8084874), (12, 6737395), (14, 5774910), (15, 5389916), (20, 4042437), (21, 3849940), (28, 2887455), (30, 2694958), (35, 2309964), (42, 1924970), (60, 1347479), (70, 1154982), (84, 962485), (105, 769988), (140, 577491), (210, 384994), (420, 192497)]