15155120

素因数分解:

$2^4\times 5^1\times {\mathrm{189439}}^1$

素因数の和:189452

約数の個数: 20

約数和(自身を含む): 35235840

約数和(自身を除く): 20080720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 189439, 378878, 757756, 947195, 1515512, 1894390, 3031024, 3788780, 7577560, 15155120]

約数ペア:

[(1, 15155120), (2, 7577560), (4, 3788780), (5, 3031024), (8, 1894390), (10, 1515512), (16, 947195), (20, 757756), (40, 378878), (80, 189439)]