642090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1259}}^1$

素因数の和:1286

約数の個数: 32

約数和(自身を含む): 1632960

約数和(自身を除く): 990870

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 1259, 2518, 3777, 6295, 7554, 12590, 18885, 21403, 37770, 42806, 64209, 107015, 128418, 214030, 321045, 642090]

約数ペア:

[(1, 642090), (2, 321045), (3, 214030), (5, 128418), (6, 107015), (10, 64209), (15, 42806), (17, 37770), (30, 21403), (34, 18885), (51, 12590), (85, 7554), (102, 6295), (170, 3777), (255, 2518), (510, 1259)]