15752720

素因数分解:

$2^4\times 5^1\times {\mathrm{223}}^1\times {\mathrm{883}}^1$

素因数の和:1119

約数の個数: 40

約数和(自身を含む): 36830976

約数和(自身を除く): 21078256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 223, 446, 883, 892, 1115, 1766, 1784, 2230, 3532, 3568, 4415, 4460, 7064, 8830, 8920, 14128, 17660, 17840, 35320, 70640, 196909, 393818, 787636, 984545, 1575272, 1969090, 3150544, 3938180, 7876360, 15752720]

約数ペア:

[(1, 15752720), (2, 7876360), (4, 3938180), (5, 3150544), (8, 1969090), (10, 1575272), (16, 984545), (20, 787636), (40, 393818), (80, 196909), (223, 70640), (446, 35320), (883, 17840), (892, 17660), (1115, 14128), (1766, 8920), (1784, 8830), (2230, 7064), (3532, 4460), (3568, 4415)]