81657990

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{1811}}^1$

素因数の和:1994

約数の個数: 64

約数和(自身を含む): 219179520

約数和(自身を除く): 137521530

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 167, 270, 334, 501, 835, 1002, 1503, 1670, 1811, 2505, 3006, 3622, 4509, 5010, 5433, 7515, 9018, 9055, 10866, 15030, 16299, 18110, 22545, 27165, 32598, 45090, 48897, 54330, 81495, 97794, 162990, 244485, 302437, 488970, 604874, 907311, 1512185, 1814622, 2721933, 3024370, 4536555, 5443866, 8165799, 9073110, 13609665, 16331598, 27219330, 40828995, 81657990]

約数ペア:

[(1, 81657990), (2, 40828995), (3, 27219330), (5, 16331598), (6, 13609665), (9, 9073110), (10, 8165799), (15, 5443866), (18, 4536555), (27, 3024370), (30, 2721933), (45, 1814622), (54, 1512185), (90, 907311), (135, 604874), (167, 488970), (270, 302437), (334, 244485), (501, 162990), (835, 97794), (1002, 81495), (1503, 54330), (1670, 48897), (1811, 45090), (2505, 32598), (3006, 27165), (3622, 22545), (4509, 18110), (5010, 16299), (5433, 15030), (7515, 10866), (9018, 9055)]