77406280

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{541}}^1$

素因数の和:639

約数の個数: 96

約数和(自身を含む): 205754040

約数和(自身を除く): 128347760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 73, 98, 140, 146, 196, 245, 280, 292, 365, 392, 490, 511, 541, 584, 730, 980, 1022, 1082, 1460, 1960, 2044, 2164, 2555, 2705, 2920, 3577, 3787, 4088, 4328, 5110, 5410, 7154, 7574, 10220, 10820, 14308, 15148, 17885, 18935, 20440, 21640, 26509, 28616, 30296, 35770, 37870, 39493, 53018, 71540, 75740, 78986, 106036, 132545, 143080, 151480, 157972, 197465, 212072, 265090, 276451, 315944, 394930, 530180, 552902, 789860, 1060360, 1105804, 1382255, 1579720, 1935157, 2211608, 2764510, 3870314, 5529020, 7740628, 9675785, 11058040, 15481256, 19351570, 38703140, 77406280]

約数ペア:

[(1, 77406280), (2, 38703140), (4, 19351570), (5, 15481256), (7, 11058040), (8, 9675785), (10, 7740628), (14, 5529020), (20, 3870314), (28, 2764510), (35, 2211608), (40, 1935157), (49, 1579720), (56, 1382255), (70, 1105804), (73, 1060360), (98, 789860), (140, 552902), (146, 530180), (196, 394930), (245, 315944), (280, 276451), (292, 265090), (365, 212072), (392, 197465), (490, 157972), (511, 151480), (541, 143080), (584, 132545), (730, 106036), (980, 78986), (1022, 75740), (1082, 71540), (1460, 53018), (1960, 39493), (2044, 37870), (2164, 35770), (2555, 30296), (2705, 28616), (2920, 26509), (3577, 21640), (3787, 20440), (4088, 18935), (4328, 17885), (5110, 15148), (5410, 14308), (7154, 10820), (7574, 10220)]