161340760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{576217}}^1$

素因数の和:576235

約数の個数: 32

約数和(自身を含む): 414876960

約数和(自身を除く): 253536200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 576217, 1152434, 2304868, 2881085, 4033519, 4609736, 5762170, 8067038, 11524340, 16134076, 20167595, 23048680, 32268152, 40335190, 80670380, 161340760]

約数ペア:

[(1, 161340760), (2, 80670380), (4, 40335190), (5, 32268152), (7, 23048680), (8, 20167595), (10, 16134076), (14, 11524340), (20, 8067038), (28, 5762170), (35, 4609736), (40, 4033519), (56, 2881085), (70, 2304868), (140, 1152434), (280, 576217)]