15697980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{87211}}^1$

素因数の和:87226

約数の個数: 36

約数和(自身を含む): 47617752

約数和(自身を除く): 31919772

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 87211, 174422, 261633, 348844, 436055, 523266, 784899, 872110, 1046532, 1308165, 1569798, 1744220, 2616330, 3139596, 3924495, 5232660, 7848990, 15697980]

約数ペア:

[(1, 15697980), (2, 7848990), (3, 5232660), (4, 3924495), (5, 3139596), (6, 2616330), (9, 1744220), (10, 1569798), (12, 1308165), (15, 1046532), (18, 872110), (20, 784899), (30, 523266), (36, 436055), (45, 348844), (60, 261633), (90, 174422), (180, 87211)]