1320247740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{3143447}}^1$

素因数の和:3143466

約数の個数: 48

約数和(自身を含む): 4224794112

約数和(自身を除く): 2904546372

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 3143447, 6286894, 9430341, 12573788, 15717235, 18860682, 22004129, 31434470, 37721364, 44008258, 47151705, 62868940, 66012387, 88016516, 94303410, 110020645, 132024774, 188606820, 220041290, 264049548, 330061935, 440082580, 660123870, 1320247740]

約数ペア:

[(1, 1320247740), (2, 660123870), (3, 440082580), (4, 330061935), (5, 264049548), (6, 220041290), (7, 188606820), (10, 132024774), (12, 110020645), (14, 94303410), (15, 88016516), (20, 66012387), (21, 62868940), (28, 47151705), (30, 44008258), (35, 37721364), (42, 31434470), (60, 22004129), (70, 18860682), (84, 15717235), (105, 12573788), (140, 9430341), (210, 6286894), (420, 3143447)]