142707640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{857}}^1$

素因数の和:1072

約数の個数: 64

約数和(自身を含む): 337296960

約数和(自身を除く): 194589320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 181, 184, 230, 362, 460, 724, 857, 905, 920, 1448, 1714, 1810, 3428, 3620, 4163, 4285, 6856, 7240, 8326, 8570, 16652, 17140, 19711, 20815, 33304, 34280, 39422, 41630, 78844, 83260, 98555, 155117, 157688, 166520, 197110, 310234, 394220, 620468, 775585, 788440, 1240936, 1551170, 3102340, 3567691, 6204680, 7135382, 14270764, 17838455, 28541528, 35676910, 71353820, 142707640]

約数ペア:

[(1, 142707640), (2, 71353820), (4, 35676910), (5, 28541528), (8, 17838455), (10, 14270764), (20, 7135382), (23, 6204680), (40, 3567691), (46, 3102340), (92, 1551170), (115, 1240936), (181, 788440), (184, 775585), (230, 620468), (362, 394220), (460, 310234), (724, 197110), (857, 166520), (905, 157688), (920, 155117), (1448, 98555), (1714, 83260), (1810, 78844), (3428, 41630), (3620, 39422), (4163, 34280), (4285, 33304), (6856, 20815), (7240, 19711), (8326, 17140), (8570, 16652)]