56666120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{461}}^1$

素因数の和:918

約数の個数: 64

約数和(自身を含む): 146361600

約数和(自身を除く): 89695480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 439, 461, 878, 922, 1756, 1844, 2195, 2305, 3073, 3227, 3512, 3688, 4390, 4610, 6146, 6454, 8780, 9220, 12292, 12908, 15365, 16135, 17560, 18440, 24584, 25816, 30730, 32270, 61460, 64540, 122920, 129080, 202379, 404758, 809516, 1011895, 1416653, 1619032, 2023790, 2833306, 4047580, 5666612, 7083265, 8095160, 11333224, 14166530, 28333060, 56666120]

約数ペア:

[(1, 56666120), (2, 28333060), (4, 14166530), (5, 11333224), (7, 8095160), (8, 7083265), (10, 5666612), (14, 4047580), (20, 2833306), (28, 2023790), (35, 1619032), (40, 1416653), (56, 1011895), (70, 809516), (140, 404758), (280, 202379), (439, 129080), (461, 122920), (878, 64540), (922, 61460), (1756, 32270), (1844, 30730), (2195, 25816), (2305, 24584), (3073, 18440), (3227, 17560), (3512, 16135), (3688, 15365), (4390, 12908), (4610, 12292), (6146, 9220), (6454, 8780)]