127960240

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{21911}}^1$

素因数の和:21997

約数の個数: 40

約数和(自身を含む): 301596768

約数和(自身を除く): 173636528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 5840, 21911, 43822, 87644, 109555, 175288, 219110, 350576, 438220, 876440, 1599503, 1752880, 3199006, 6398012, 7997515, 12796024, 15995030, 25592048, 31990060, 63980120, 127960240]

約数ペア:

[(1, 127960240), (2, 63980120), (4, 31990060), (5, 25592048), (8, 15995030), (10, 12796024), (16, 7997515), (20, 6398012), (40, 3199006), (73, 1752880), (80, 1599503), (146, 876440), (292, 438220), (365, 350576), (584, 219110), (730, 175288), (1168, 109555), (1460, 87644), (2920, 43822), (5840, 21911)]