72684680

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{7603}}^1$

素因数の和:7853

約数の個数: 32

約数和(自身を含む): 164246400

約数和(自身を除く): 91561720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1912, 2390, 4780, 7603, 9560, 15206, 30412, 38015, 60824, 76030, 152060, 304120, 1817117, 3634234, 7268468, 9085585, 14536936, 18171170, 36342340, 72684680]

約数ペア:

[(1, 72684680), (2, 36342340), (4, 18171170), (5, 14536936), (8, 9085585), (10, 7268468), (20, 3634234), (40, 1817117), (239, 304120), (478, 152060), (956, 76030), (1195, 60824), (1912, 38015), (2390, 30412), (4780, 15206), (7603, 9560)]