215266720

素因数分解:

$2^5\times 5^1\times {\mathrm{863}}^1\times {\mathrm{1559}}^1$

素因数の和:2437

約数の個数: 48

約数和(自身を含む): 509483520

約数和(自身を除く): 294216800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 863, 1559, 1726, 3118, 3452, 4315, 6236, 6904, 7795, 8630, 12472, 13808, 15590, 17260, 24944, 27616, 31180, 34520, 49888, 62360, 69040, 124720, 138080, 249440, 1345417, 2690834, 5381668, 6727085, 10763336, 13454170, 21526672, 26908340, 43053344, 53816680, 107633360, 215266720]

約数ペア:

[(1, 215266720), (2, 107633360), (4, 53816680), (5, 43053344), (8, 26908340), (10, 21526672), (16, 13454170), (20, 10763336), (32, 6727085), (40, 5381668), (80, 2690834), (160, 1345417), (863, 249440), (1559, 138080), (1726, 124720), (3118, 69040), (3452, 62360), (4315, 49888), (6236, 34520), (6904, 31180), (7795, 27616), (8630, 24944), (12472, 17260), (13808, 15590)]