16129820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{151}}^1$

素因数の和:283

約数の個数: 72

約数和(自身を含む): 40027680

約数和(自身を除く): 23897860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 109, 140, 151, 196, 218, 245, 302, 436, 490, 545, 604, 755, 763, 980, 1057, 1090, 1510, 1526, 2114, 2180, 3020, 3052, 3815, 4228, 5285, 5341, 7399, 7630, 10570, 10682, 14798, 15260, 16459, 21140, 21364, 26705, 29596, 32918, 36995, 53410, 65836, 73990, 82295, 106820, 115213, 147980, 164590, 230426, 329180, 460852, 576065, 806491, 1152130, 1612982, 2304260, 3225964, 4032455, 8064910, 16129820]

約数ペア:

[(1, 16129820), (2, 8064910), (4, 4032455), (5, 3225964), (7, 2304260), (10, 1612982), (14, 1152130), (20, 806491), (28, 576065), (35, 460852), (49, 329180), (70, 230426), (98, 164590), (109, 147980), (140, 115213), (151, 106820), (196, 82295), (218, 73990), (245, 65836), (302, 53410), (436, 36995), (490, 32918), (545, 29596), (604, 26705), (755, 21364), (763, 21140), (980, 16459), (1057, 15260), (1090, 14798), (1510, 10682), (1526, 10570), (2114, 7630), (2180, 7399), (3020, 5341), (3052, 5285), (3815, 4228)]