9918160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:308

約数の個数: 80

約数和(自身を含む): 26784000

約数和(自身を除く): 16865840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 89, 112, 140, 178, 199, 280, 356, 398, 445, 560, 623, 712, 796, 890, 995, 1246, 1393, 1424, 1592, 1780, 1990, 2492, 2786, 3115, 3184, 3560, 3980, 4984, 5572, 6230, 6965, 7120, 7960, 9968, 11144, 12460, 13930, 15920, 17711, 22288, 24920, 27860, 35422, 49840, 55720, 70844, 88555, 111440, 123977, 141688, 177110, 247954, 283376, 354220, 495908, 619885, 708440, 991816, 1239770, 1416880, 1983632, 2479540, 4959080, 9918160]

約数ペア:

[(1, 9918160), (2, 4959080), (4, 2479540), (5, 1983632), (7, 1416880), (8, 1239770), (10, 991816), (14, 708440), (16, 619885), (20, 495908), (28, 354220), (35, 283376), (40, 247954), (56, 177110), (70, 141688), (80, 123977), (89, 111440), (112, 88555), (140, 70844), (178, 55720), (199, 49840), (280, 35422), (356, 27860), (398, 24920), (445, 22288), (560, 17711), (623, 15920), (712, 13930), (796, 12460), (890, 11144), (995, 9968), (1246, 7960), (1393, 7120), (1424, 6965), (1592, 6230), (1780, 5572), (1990, 4984), (2492, 3980), (2786, 3560), (3115, 3184)]