81328020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{509}}^1\times {\mathrm{2663}}^1$

素因数の和:3184

約数の個数: 48

約数和(自身を含む): 228251520

約数和(自身を除く): 146923500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 509, 1018, 1527, 2036, 2545, 2663, 3054, 5090, 5326, 6108, 7635, 7989, 10180, 10652, 13315, 15270, 15978, 26630, 30540, 31956, 39945, 53260, 79890, 159780, 1355467, 2710934, 4066401, 5421868, 6777335, 8132802, 13554670, 16265604, 20332005, 27109340, 40664010, 81328020]

約数ペア:

[(1, 81328020), (2, 40664010), (3, 27109340), (4, 20332005), (5, 16265604), (6, 13554670), (10, 8132802), (12, 6777335), (15, 5421868), (20, 4066401), (30, 2710934), (60, 1355467), (509, 159780), (1018, 79890), (1527, 53260), (2036, 39945), (2545, 31956), (2663, 30540), (3054, 26630), (5090, 15978), (5326, 15270), (6108, 13315), (7635, 10652), (7989, 10180)]