789531520

素因数分解:

$2^7\times 5^1\times {\mathrm{383}}^1\times {\mathrm{3221}}^1$

素因数の和:3623

約数の個数: 64

約数和(自身を含む): 1892989440

約数和(自身を除く): 1103457920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 383, 640, 766, 1532, 1915, 3064, 3221, 3830, 6128, 6442, 7660, 12256, 12884, 15320, 16105, 24512, 25768, 30640, 32210, 49024, 51536, 61280, 64420, 103072, 122560, 128840, 206144, 245120, 257680, 412288, 515360, 1030720, 1233643, 2061440, 2467286, 4934572, 6168215, 9869144, 12336430, 19738288, 24672860, 39476576, 49345720, 78953152, 98691440, 157906304, 197382880, 394765760, 789531520]

約数ペア:

[(1, 789531520), (2, 394765760), (4, 197382880), (5, 157906304), (8, 98691440), (10, 78953152), (16, 49345720), (20, 39476576), (32, 24672860), (40, 19738288), (64, 12336430), (80, 9869144), (128, 6168215), (160, 4934572), (320, 2467286), (383, 2061440), (640, 1233643), (766, 1030720), (1532, 515360), (1915, 412288), (3064, 257680), (3221, 245120), (3830, 206144), (6128, 128840), (6442, 122560), (7660, 103072), (12256, 64420), (12884, 61280), (15320, 51536), (16105, 49024), (24512, 32210), (25768, 30640)]