56071120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{449}}^1$

素因数の和:692

約数の個数: 80

約数和(自身を含む): 149990400

約数和(自身を除く): 93919280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 223, 280, 446, 449, 560, 892, 898, 1115, 1561, 1784, 1796, 2230, 2245, 3122, 3143, 3568, 3592, 4460, 4490, 6244, 6286, 7184, 7805, 8920, 8980, 12488, 12572, 15610, 15715, 17840, 17960, 24976, 25144, 31220, 31430, 35920, 50288, 62440, 62860, 100127, 124880, 125720, 200254, 251440, 400508, 500635, 700889, 801016, 1001270, 1401778, 1602032, 2002540, 2803556, 3504445, 4005080, 5607112, 7008890, 8010160, 11214224, 14017780, 28035560, 56071120]

約数ペア:

[(1, 56071120), (2, 28035560), (4, 14017780), (5, 11214224), (7, 8010160), (8, 7008890), (10, 5607112), (14, 4005080), (16, 3504445), (20, 2803556), (28, 2002540), (35, 1602032), (40, 1401778), (56, 1001270), (70, 801016), (80, 700889), (112, 500635), (140, 400508), (223, 251440), (280, 200254), (446, 125720), (449, 124880), (560, 100127), (892, 62860), (898, 62440), (1115, 50288), (1561, 35920), (1784, 31430), (1796, 31220), (2230, 25144), (2245, 24976), (3122, 17960), (3143, 17840), (3568, 15715), (3592, 15610), (4460, 12572), (4490, 12488), (6244, 8980), (6286, 8920), (7184, 7805)]