87583720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{312799}}^1$

素因数の和:312817

約数の個数: 32

約数和(自身を含む): 225216000

約数和(自身を除く): 137632280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 312799, 625598, 1251196, 1563995, 2189593, 2502392, 3127990, 4379186, 6255980, 8758372, 10947965, 12511960, 17516744, 21895930, 43791860, 87583720]

約数ペア:

[(1, 87583720), (2, 43791860), (4, 21895930), (5, 17516744), (7, 12511960), (8, 10947965), (10, 8758372), (14, 6255980), (20, 4379186), (28, 3127990), (35, 2502392), (40, 2189593), (56, 1563995), (70, 1251196), (140, 625598), (280, 312799)]