160480880

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{40939}}^1$

素因数の和:40966

約数の個数: 60

約数和(自身を含む): 434045880

約数和(自身を除く): 273565000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 40939, 81878, 163756, 204695, 286573, 327512, 409390, 573146, 655024, 818780, 1146292, 1432865, 1637560, 2006011, 2292584, 2865730, 3275120, 4012022, 4585168, 5731460, 8024044, 10030055, 11462920, 16048088, 20060110, 22925840, 32096176, 40120220, 80240440, 160480880]

約数ペア:

[(1, 160480880), (2, 80240440), (4, 40120220), (5, 32096176), (7, 22925840), (8, 20060110), (10, 16048088), (14, 11462920), (16, 10030055), (20, 8024044), (28, 5731460), (35, 4585168), (40, 4012022), (49, 3275120), (56, 2865730), (70, 2292584), (80, 2006011), (98, 1637560), (112, 1432865), (140, 1146292), (196, 818780), (245, 655024), (280, 573146), (392, 409390), (490, 327512), (560, 286573), (784, 204695), (980, 163756), (1960, 81878), (3920, 40939)]