78745740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{907}}^1\times {\mathrm{1447}}^1$

素因数の和:2366

約数の個数: 48

約数和(自身を含む): 220883712

約数和(自身を除く): 142137972

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 907, 1447, 1814, 2721, 2894, 3628, 4341, 4535, 5442, 5788, 7235, 8682, 9070, 10884, 13605, 14470, 17364, 18140, 21705, 27210, 28940, 43410, 54420, 86820, 1312429, 2624858, 3937287, 5249716, 6562145, 7874574, 13124290, 15749148, 19686435, 26248580, 39372870, 78745740]

約数ペア:

[(1, 78745740), (2, 39372870), (3, 26248580), (4, 19686435), (5, 15749148), (6, 13124290), (10, 7874574), (12, 6562145), (15, 5249716), (20, 3937287), (30, 2624858), (60, 1312429), (907, 86820), (1447, 54420), (1814, 43410), (2721, 28940), (2894, 27210), (3628, 21705), (4341, 18140), (4535, 17364), (5442, 14470), (5788, 13605), (7235, 10884), (8682, 9070)]