8479518180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{20189329}}^1$

素因数の和:20189348

約数の個数: 48

約数和(自身を含む): 27134459520

約数和(自身を除く): 18654941340

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, 20189329, 40378658, 60567987, 80757316, 100946645, 121135974, 141325303, 201893290, 242271948, 282650606, 302839935, 403786580, 423975909, 565301212, 605679870, 706626515, 847951818, 1211359740, 1413253030, 1695903636, 2119879545, 2826506060, 4239759090, 8479518180]

約数ペア:

[(1, 8479518180), (2, 4239759090), (3, 2826506060), (4, 2119879545), (5, 1695903636), (6, 1413253030), (7, 1211359740), (10, 847951818), (12, 706626515), (14, 605679870), (15, 565301212), (20, 423975909), (21, 403786580), (28, 302839935), (30, 282650606), (35, 242271948), (42, 201893290), (60, 141325303), (70, 121135974), (84, 100946645), (105, 80757316), (140, 60567987), (210, 40378658), (420, 20189329)]