15721389280

素因数分解:

$2^5\times 5^1\times {\mathrm{139}}^1\times {\mathrm{706897}}^1$

素因数の和:707051

約数の個数: 48

約数和(自身を含む): 37409042160

約数和(自身を除く): 21687652880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 139, 160, 278, 556, 695, 1112, 1390, 2224, 2780, 4448, 5560, 11120, 22240, 706897, 1413794, 2827588, 3534485, 5655176, 7068970, 11310352, 14137940, 22620704, 28275880, 56551760, 98258683, 113103520, 196517366, 393034732, 491293415, 786069464, 982586830, 1572138928, 1965173660, 3144277856, 3930347320, 7860694640, 15721389280]

約数ペア:

[(1, 15721389280), (2, 7860694640), (4, 3930347320), (5, 3144277856), (8, 1965173660), (10, 1572138928), (16, 982586830), (20, 786069464), (32, 491293415), (40, 393034732), (80, 196517366), (139, 113103520), (160, 98258683), (278, 56551760), (556, 28275880), (695, 22620704), (1112, 14137940), (1390, 11310352), (2224, 7068970), (2780, 5655176), (4448, 3534485), (5560, 2827588), (11120, 1413794), (22240, 706897)]