61137760

素因数分解:

$2^5\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2749}}^1$

素因数の和:2903

約数の個数: 48

約数和(自身を含む): 145530000

約数和(自身を除く): 84392240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 139, 160, 278, 556, 695, 1112, 1390, 2224, 2749, 2780, 4448, 5498, 5560, 10996, 11120, 13745, 21992, 22240, 27490, 43984, 54980, 87968, 109960, 219920, 382111, 439840, 764222, 1528444, 1910555, 3056888, 3821110, 6113776, 7642220, 12227552, 15284440, 30568880, 61137760]

約数ペア:

[(1, 61137760), (2, 30568880), (4, 15284440), (5, 12227552), (8, 7642220), (10, 6113776), (16, 3821110), (20, 3056888), (32, 1910555), (40, 1528444), (80, 764222), (139, 439840), (160, 382111), (278, 219920), (556, 109960), (695, 87968), (1112, 54980), (1390, 43984), (2224, 27490), (2749, 22240), (2780, 21992), (4448, 13745), (5498, 11120), (5560, 10996)]