213071580

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{394577}}^1$

素因数の和:394595

約数の個数: 48

約数和(自身を含む): 662891040

約数和(自身を除く): 449819460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 394577, 789154, 1183731, 1578308, 1972885, 2367462, 3551193, 3945770, 4734924, 5918655, 7102386, 7891540, 10653579, 11837310, 14204772, 17755965, 21307158, 23674620, 35511930, 42614316, 53267895, 71023860, 106535790, 213071580]

約数ペア:

[(1, 213071580), (2, 106535790), (3, 71023860), (4, 53267895), (5, 42614316), (6, 35511930), (9, 23674620), (10, 21307158), (12, 17755965), (15, 14204772), (18, 11837310), (20, 10653579), (27, 7891540), (30, 7102386), (36, 5918655), (45, 4734924), (54, 3945770), (60, 3551193), (90, 2367462), (108, 1972885), (135, 1578308), (180, 1183731), (270, 789154), (540, 394577)]