31193040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{129971}}^1$

素因数の和:129987

約数の個数: 40

約数和(自身を含む): 96699168

約数和(自身を除く): 65506128

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 129971, 259942, 389913, 519884, 649855, 779826, 1039768, 1299710, 1559652, 1949565, 2079536, 2599420, 3119304, 3899130, 5198840, 6238608, 7798260, 10397680, 15596520, 31193040]

約数ペア:

[(1, 31193040), (2, 15596520), (3, 10397680), (4, 7798260), (5, 6238608), (6, 5198840), (8, 3899130), (10, 3119304), (12, 2599420), (15, 2079536), (16, 1949565), (20, 1559652), (24, 1299710), (30, 1039768), (40, 779826), (48, 649855), (60, 519884), (80, 389913), (120, 259942), (240, 129971)]