77960680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{6791}}^1$

素因数の和:6850

約数の個数: 64

約数和(自身を含む): 205390080

約数和(自身を除く): 127429400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 140, 164, 205, 280, 287, 328, 410, 574, 820, 1148, 1435, 1640, 2296, 2870, 5740, 6791, 11480, 13582, 27164, 33955, 47537, 54328, 67910, 95074, 135820, 190148, 237685, 271640, 278431, 380296, 475370, 556862, 950740, 1113724, 1392155, 1901480, 1949017, 2227448, 2784310, 3898034, 5568620, 7796068, 9745085, 11137240, 15592136, 19490170, 38980340, 77960680]

約数ペア:

[(1, 77960680), (2, 38980340), (4, 19490170), (5, 15592136), (7, 11137240), (8, 9745085), (10, 7796068), (14, 5568620), (20, 3898034), (28, 2784310), (35, 2227448), (40, 1949017), (41, 1901480), (56, 1392155), (70, 1113724), (82, 950740), (140, 556862), (164, 475370), (205, 380296), (280, 278431), (287, 271640), (328, 237685), (410, 190148), (574, 135820), (820, 95074), (1148, 67910), (1435, 54328), (1640, 47537), (2296, 33955), (2870, 27164), (5740, 13582), (6791, 11480)]