90489390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{4691}}^1$

素因数の和:5344

約数の個数: 32

約数和(自身を含む): 217558656

約数和(自身を除く): 127069266

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 643, 1286, 1929, 3215, 3858, 4691, 6430, 9382, 9645, 14073, 19290, 23455, 28146, 46910, 70365, 140730, 3016313, 6032626, 9048939, 15081565, 18097878, 30163130, 45244695, 90489390]

約数ペア:

[(1, 90489390), (2, 45244695), (3, 30163130), (5, 18097878), (6, 15081565), (10, 9048939), (15, 6032626), (30, 3016313), (643, 140730), (1286, 70365), (1929, 46910), (3215, 28146), (3858, 23455), (4691, 19290), (6430, 14073), (9382, 9645)]