15401680

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{3929}}^1$

素因数の和:3956

約数の個数: 60

約数和(自身を含む): 41665860

約数和(自身を除く): 26264180

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, 3929, 7858, 15716, 19645, 27503, 31432, 39290, 55006, 62864, 78580, 110012, 137515, 157160, 192521, 220024, 275030, 314320, 385042, 440048, 550060, 770084, 962605, 1100120, 1540168, 1925210, 2200240, 3080336, 3850420, 7700840, 15401680]

約数ペア:

[(1, 15401680), (2, 7700840), (4, 3850420), (5, 3080336), (7, 2200240), (8, 1925210), (10, 1540168), (14, 1100120), (16, 962605), (20, 770084), (28, 550060), (35, 440048), (40, 385042), (49, 314320), (56, 275030), (70, 220024), (80, 192521), (98, 157160), (112, 137515), (140, 110012), (196, 78580), (245, 62864), (280, 55006), (392, 39290), (490, 31432), (560, 27503), (784, 19645), (980, 15716), (1960, 7858), (3920, 3929)]