78052020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{13411}}^1$

素因数の和:13520

約数の個数: 48

約数和(自身を含む): 220815168

約数和(自身を除く): 142763148

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 97, 194, 291, 388, 485, 582, 970, 1164, 1455, 1940, 2910, 5820, 13411, 26822, 40233, 53644, 67055, 80466, 134110, 160932, 201165, 268220, 402330, 804660, 1300867, 2601734, 3902601, 5203468, 6504335, 7805202, 13008670, 15610404, 19513005, 26017340, 39026010, 78052020]

約数ペア:

[(1, 78052020), (2, 39026010), (3, 26017340), (4, 19513005), (5, 15610404), (6, 13008670), (10, 7805202), (12, 6504335), (15, 5203468), (20, 3902601), (30, 2601734), (60, 1300867), (97, 804660), (194, 402330), (291, 268220), (388, 201165), (485, 160932), (582, 134110), (970, 80466), (1164, 67055), (1455, 53644), (1940, 40233), (2910, 26822), (5820, 13411)]