81750270

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{389287}}^1$

素因数の和:389304

約数の個数: 32

約数和(自身を含む): 224229888

約数和(自身を除く): 142479618

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 389287, 778574, 1167861, 1946435, 2335722, 2725009, 3892870, 5450018, 5839305, 8175027, 11678610, 13625045, 16350054, 27250090, 40875135, 81750270]

約数ペア:

[(1, 81750270), (2, 40875135), (3, 27250090), (5, 16350054), (6, 13625045), (7, 11678610), (10, 8175027), (14, 5839305), (15, 5450018), (21, 3892870), (30, 2725009), (35, 2335722), (42, 1946435), (70, 1167861), (105, 778574), (210, 389287)]