81056940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43579}}^1$

素因数の和:43622

約数の個数: 48

約数和(自身を含む): 234286080

約数和(自身を除く): 153229140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 43579, 87158, 130737, 174316, 217895, 261474, 435790, 522948, 653685, 871580, 1307370, 1350949, 2614740, 2701898, 4052847, 5403796, 6754745, 8105694, 13509490, 16211388, 20264235, 27018980, 40528470, 81056940]

約数ペア:

[(1, 81056940), (2, 40528470), (3, 27018980), (4, 20264235), (5, 16211388), (6, 13509490), (10, 8105694), (12, 6754745), (15, 5403796), (20, 4052847), (30, 2701898), (31, 2614740), (60, 1350949), (62, 1307370), (93, 871580), (124, 653685), (155, 522948), (186, 435790), (310, 261474), (372, 217895), (465, 174316), (620, 130737), (930, 87158), (1860, 43579)]