215947980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1199711}}^1$

素因数の和:1199726

約数の個数: 36

約数和(自身を含む): 655042752

約数和(自身を除く): 439094772

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1199711, 2399422, 3599133, 4798844, 5998555, 7198266, 10797399, 11997110, 14396532, 17995665, 21594798, 23994220, 35991330, 43189596, 53986995, 71982660, 107973990, 215947980]

約数ペア:

[(1, 215947980), (2, 107973990), (3, 71982660), (4, 53986995), (5, 43189596), (6, 35991330), (9, 23994220), (10, 21594798), (12, 17995665), (15, 14396532), (18, 11997110), (20, 10797399), (30, 7198266), (36, 5998555), (45, 4798844), (60, 3599133), (90, 2399422), (180, 1199711)]