171356080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1949}}^1$

素因数の和:2126

約数の個数: 80

約数和(自身を含む): 458452800

約数和(自身を除く): 287096720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 157, 280, 314, 560, 628, 785, 1099, 1256, 1570, 1949, 2198, 2512, 3140, 3898, 4396, 5495, 6280, 7796, 8792, 9745, 10990, 12560, 13643, 15592, 17584, 19490, 21980, 27286, 31184, 38980, 43960, 54572, 68215, 77960, 87920, 109144, 136430, 155920, 218288, 272860, 305993, 545720, 611986, 1091440, 1223972, 1529965, 2141951, 2447944, 3059930, 4283902, 4895888, 6119860, 8567804, 10709755, 12239720, 17135608, 21419510, 24479440, 34271216, 42839020, 85678040, 171356080]

約数ペア:

[(1, 171356080), (2, 85678040), (4, 42839020), (5, 34271216), (7, 24479440), (8, 21419510), (10, 17135608), (14, 12239720), (16, 10709755), (20, 8567804), (28, 6119860), (35, 4895888), (40, 4283902), (56, 3059930), (70, 2447944), (80, 2141951), (112, 1529965), (140, 1223972), (157, 1091440), (280, 611986), (314, 545720), (560, 305993), (628, 272860), (785, 218288), (1099, 155920), (1256, 136430), (1570, 109144), (1949, 87920), (2198, 77960), (2512, 68215), (3140, 54572), (3898, 43960), (4396, 38980), (5495, 31184), (6280, 27286), (7796, 21980), (8792, 19490), (9745, 17584), (10990, 15592), (12560, 13643)]