71293880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{2521}}^1$

素因数の和:2640

約数の個数: 64

約数和(自身を含む): 185215680

約数和(自身を除く): 113921800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 101, 140, 202, 280, 404, 505, 707, 808, 1010, 1414, 2020, 2521, 2828, 3535, 4040, 5042, 5656, 7070, 10084, 12605, 14140, 17647, 20168, 25210, 28280, 35294, 50420, 70588, 88235, 100840, 141176, 176470, 254621, 352940, 509242, 705880, 1018484, 1273105, 1782347, 2036968, 2546210, 3564694, 5092420, 7129388, 8911735, 10184840, 14258776, 17823470, 35646940, 71293880]

約数ペア:

[(1, 71293880), (2, 35646940), (4, 17823470), (5, 14258776), (7, 10184840), (8, 8911735), (10, 7129388), (14, 5092420), (20, 3564694), (28, 2546210), (35, 2036968), (40, 1782347), (56, 1273105), (70, 1018484), (101, 705880), (140, 509242), (202, 352940), (280, 254621), (404, 176470), (505, 141176), (707, 100840), (808, 88235), (1010, 70588), (1414, 50420), (2020, 35294), (2521, 28280), (2828, 25210), (3535, 20168), (4040, 17647), (5042, 14140), (5656, 12605), (7070, 10084)]