15660420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1237}}^1$

素因数の和:1460

約数の個数: 48

約数和(自身を含む): 44092608

約数和(自身を除く): 28432188

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 211, 422, 633, 844, 1055, 1237, 1266, 2110, 2474, 2532, 3165, 3711, 4220, 4948, 6185, 6330, 7422, 12370, 12660, 14844, 18555, 24740, 37110, 74220, 261007, 522014, 783021, 1044028, 1305035, 1566042, 2610070, 3132084, 3915105, 5220140, 7830210, 15660420]

約数ペア:

[(1, 15660420), (2, 7830210), (3, 5220140), (4, 3915105), (5, 3132084), (6, 2610070), (10, 1566042), (12, 1305035), (15, 1044028), (20, 783021), (30, 522014), (60, 261007), (211, 74220), (422, 37110), (633, 24740), (844, 18555), (1055, 14844), (1237, 12660), (1266, 12370), (2110, 7422), (2474, 6330), (2532, 6185), (3165, 4948), (3711, 4220)]