260695830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{20641}}^1$

素因数の和:21072

約数の個数: 32

約数和(自身を含む): 627186528

約数和(自身を除く): 366490698

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 421, 842, 1263, 2105, 2526, 4210, 6315, 12630, 20641, 41282, 61923, 103205, 123846, 206410, 309615, 619230, 8689861, 17379722, 26069583, 43449305, 52139166, 86898610, 130347915, 260695830]

約数ペア:

[(1, 260695830), (2, 130347915), (3, 86898610), (5, 52139166), (6, 43449305), (10, 26069583), (15, 17379722), (30, 8689861), (421, 619230), (842, 309615), (1263, 206410), (2105, 123846), (2526, 103205), (4210, 61923), (6315, 41282), (12630, 20641)]