645090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{21503}}^1$

素因数の和:21513

約数の個数: 16

約数和(自身を含む): 1548288

約数和(自身を除く): 903198

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 21503, 43006, 64509, 107515, 129018, 215030, 322545, 645090]

約数ペア:

[(1, 645090), (2, 322545), (3, 215030), (5, 129018), (6, 107515), (10, 64509), (15, 43006), (30, 21503)]