16856220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{499}}^1\times {\mathrm{563}}^1$

素因数の和:1074

約数の個数: 48

約数和(自身を含む): 47376000

約数和(自身を除く): 30519780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 499, 563, 998, 1126, 1497, 1689, 1996, 2252, 2495, 2815, 2994, 3378, 4990, 5630, 5988, 6756, 7485, 8445, 9980, 11260, 14970, 16890, 29940, 33780, 280937, 561874, 842811, 1123748, 1404685, 1685622, 2809370, 3371244, 4214055, 5618740, 8428110, 16856220]

約数ペア:

[(1, 16856220), (2, 8428110), (3, 5618740), (4, 4214055), (5, 3371244), (6, 2809370), (10, 1685622), (12, 1404685), (15, 1123748), (20, 842811), (30, 561874), (60, 280937), (499, 33780), (563, 29940), (998, 16890), (1126, 14970), (1497, 11260), (1689, 9980), (1996, 8445), (2252, 7485), (2495, 6756), (2815, 5988), (2994, 5630), (3378, 4990)]