120785840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{215689}}^1$

素因数の和:215709

約数の個数: 40

約数和(自身を含む): 320946720

約数和(自身を除く): 200160880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 215689, 431378, 862756, 1078445, 1509823, 1725512, 2156890, 3019646, 3451024, 4313780, 6039292, 7549115, 8627560, 12078584, 15098230, 17255120, 24157168, 30196460, 60392920, 120785840]

約数ペア:

[(1, 120785840), (2, 60392920), (4, 30196460), (5, 24157168), (7, 17255120), (8, 15098230), (10, 12078584), (14, 8627560), (16, 7549115), (20, 6039292), (28, 4313780), (35, 3451024), (40, 3019646), (56, 2156890), (70, 1725512), (80, 1509823), (112, 1078445), (140, 862756), (280, 431378), (560, 215689)]