71567440

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{18257}}^1$

素因数の和:18284

約数の個数: 60

約数和(自身を含む): 193571316

約数和(自身を除く): 122003876

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 18257, 36514, 73028, 91285, 127799, 146056, 182570, 255598, 292112, 365140, 511196, 638995, 730280, 894593, 1022392, 1277990, 1460560, 1789186, 2044784, 2555980, 3578372, 4472965, 5111960, 7156744, 8945930, 10223920, 14313488, 17891860, 35783720, 71567440]

約数ペア:

[(1, 71567440), (2, 35783720), (4, 17891860), (5, 14313488), (7, 10223920), (8, 8945930), (10, 7156744), (14, 5111960), (16, 4472965), (20, 3578372), (28, 2555980), (35, 2044784), (40, 1789186), (49, 1460560), (56, 1277990), (70, 1022392), (80, 894593), (98, 730280), (112, 638995), (140, 511196), (196, 365140), (245, 292112), (280, 255598), (392, 182570), (490, 146056), (560, 127799), (784, 91285), (980, 73028), (1960, 36514), (3920, 18257)]