15154280

素因数分解:

$2^3\times 5^1\times {\mathrm{439}}^1\times {\mathrm{863}}^1$

素因数の和:1313

約数の個数: 32

約数和(自身を含む): 34214400

約数和(自身を除く): 19060120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 439, 863, 878, 1726, 1756, 2195, 3452, 3512, 4315, 4390, 6904, 8630, 8780, 17260, 17560, 34520, 378857, 757714, 1515428, 1894285, 3030856, 3788570, 7577140, 15154280]

約数ペア:

[(1, 15154280), (2, 7577140), (4, 3788570), (5, 3030856), (8, 1894285), (10, 1515428), (20, 757714), (40, 378857), (439, 34520), (863, 17560), (878, 17260), (1726, 8780), (1756, 8630), (2195, 6904), (3452, 4390), (3512, 4315)]