65640420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{364669}}^1$

素因数の和:364684

約数の個数: 36

約数和(自身を含む): 199109820

約数和(自身を除く): 133469400

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 364669, 729338, 1094007, 1458676, 1823345, 2188014, 3282021, 3646690, 4376028, 5470035, 6564042, 7293380, 10940070, 13128084, 16410105, 21880140, 32820210, 65640420]

約数ペア:

[(1, 65640420), (2, 32820210), (3, 21880140), (4, 16410105), (5, 13128084), (6, 10940070), (9, 7293380), (10, 6564042), (12, 5470035), (15, 4376028), (18, 3646690), (20, 3282021), (30, 2188014), (36, 1823345), (45, 1458676), (60, 1094007), (90, 729338), (180, 364669)]