163914280

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{607}}^1$

素因数の和:818

約数の個数: 64

約数和(自身を含む): 380413440

約数和(自身を除く): 216499160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 157, 172, 215, 314, 344, 430, 607, 628, 785, 860, 1214, 1256, 1570, 1720, 2428, 3035, 3140, 4856, 6070, 6280, 6751, 12140, 13502, 24280, 26101, 27004, 33755, 52202, 54008, 67510, 95299, 104404, 130505, 135020, 190598, 208808, 261010, 270040, 381196, 476495, 522020, 762392, 952990, 1044040, 1905980, 3811960, 4097857, 8195714, 16391428, 20489285, 32782856, 40978570, 81957140, 163914280]

約数ペア:

[(1, 163914280), (2, 81957140), (4, 40978570), (5, 32782856), (8, 20489285), (10, 16391428), (20, 8195714), (40, 4097857), (43, 3811960), (86, 1905980), (157, 1044040), (172, 952990), (215, 762392), (314, 522020), (344, 476495), (430, 381196), (607, 270040), (628, 261010), (785, 208808), (860, 190598), (1214, 135020), (1256, 130505), (1570, 104404), (1720, 95299), (2428, 67510), (3035, 54008), (3140, 52202), (4856, 33755), (6070, 27004), (6280, 26101), (6751, 24280), (12140, 13502)]