209640840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1747007}}^1$

素因数の和:1747021

約数の個数: 32

約数和(自身を含む): 628922880

約数和(自身を除く): 419282040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1747007, 3494014, 5241021, 6988028, 8735035, 10482042, 13976056, 17470070, 20964084, 26205105, 34940140, 41928168, 52410210, 69880280, 104820420, 209640840]

約数ペア:

[(1, 209640840), (2, 104820420), (3, 69880280), (4, 52410210), (5, 41928168), (6, 34940140), (8, 26205105), (10, 20964084), (12, 17470070), (15, 13976056), (20, 10482042), (24, 8735035), (30, 6988028), (40, 5241021), (60, 3494014), (120, 1747007)]