51438870

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{81649}}^1$

素因数の和:81669

約数の個数: 48

約数和(自身を含む): 152848800

約数和(自身を除く): 101409930

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 81649, 163298, 244947, 408245, 489894, 571543, 734841, 816490, 1143086, 1224735, 1469682, 1714629, 2449470, 2857715, 3429258, 3674205, 5143887, 5715430, 7348410, 8573145, 10287774, 17146290, 25719435, 51438870]

約数ペア:

[(1, 51438870), (2, 25719435), (3, 17146290), (5, 10287774), (6, 8573145), (7, 7348410), (9, 5715430), (10, 5143887), (14, 3674205), (15, 3429258), (18, 2857715), (21, 2449470), (30, 1714629), (35, 1469682), (42, 1224735), (45, 1143086), (63, 816490), (70, 734841), (90, 571543), (105, 489894), (126, 408245), (210, 244947), (315, 163298), (630, 81649)]