256224810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{20287}}^1$

素因数の和:20718

約数の個数: 32

約数和(自身を含む): 616430592

約数和(自身を除く): 360205782

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 421, 842, 1263, 2105, 2526, 4210, 6315, 12630, 20287, 40574, 60861, 101435, 121722, 202870, 304305, 608610, 8540827, 17081654, 25622481, 42704135, 51244962, 85408270, 128112405, 256224810]

約数ペア:

[(1, 256224810), (2, 128112405), (3, 85408270), (5, 51244962), (6, 42704135), (10, 25622481), (15, 17081654), (30, 8540827), (421, 608610), (842, 304305), (1263, 202870), (2105, 121722), (2526, 101435), (4210, 60861), (6315, 40574), (12630, 20287)]