1989784920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{16581541}}^1$

素因数の和:16581555

約数の個数: 32

約数和(自身を含む): 5969355120

約数和(自身を除く): 3979570200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 16581541, 33163082, 49744623, 66326164, 82907705, 99489246, 132652328, 165815410, 198978492, 248723115, 331630820, 397956984, 497446230, 663261640, 994892460, 1989784920]

約数ペア:

[(1, 1989784920), (2, 994892460), (3, 663261640), (4, 497446230), (5, 397956984), (6, 331630820), (8, 248723115), (10, 198978492), (12, 165815410), (15, 132652328), (20, 99489246), (24, 82907705), (30, 66326164), (40, 49744623), (60, 33163082), (120, 16581541)]