76405980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{181919}}^1$

素因数の和:181938

約数の個数: 48

約数和(自身を含む): 244500480

約数和(自身を除く): 168094500

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, 181919, 363838, 545757, 727676, 909595, 1091514, 1273433, 1819190, 2183028, 2546866, 2728785, 3638380, 3820299, 5093732, 5457570, 6367165, 7640598, 10915140, 12734330, 15281196, 19101495, 25468660, 38202990, 76405980]

約数ペア:

[(1, 76405980), (2, 38202990), (3, 25468660), (4, 19101495), (5, 15281196), (6, 12734330), (7, 10915140), (10, 7640598), (12, 6367165), (14, 5457570), (15, 5093732), (20, 3820299), (21, 3638380), (28, 2728785), (30, 2546866), (35, 2183028), (42, 1819190), (60, 1273433), (70, 1091514), (84, 909595), (105, 727676), (140, 545757), (210, 363838), (420, 181919)]