157557785

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1$

素因数の和:247

約数の個数: 96

約数和(自身を含む): 268894080

約数和(自身を除く): 111336295

約数列:

[1, 5, 7, 11, 17, 19, 35, 49, 55, 77, 85, 95, 119, 133, 181, 187, 209, 245, 323, 385, 539, 595, 665, 833, 905, 931, 935, 1045, 1267, 1309, 1463, 1615, 1991, 2261, 2695, 3077, 3439, 3553, 4165, 4655, 6335, 6545, 7315, 8869, 9163, 9955, 10241, 11305, 13937, 15385, 15827, 17195, 17765, 21539, 24073, 24871, 33847, 37829, 44345, 45815, 51205, 58463, 69685, 79135, 97559, 107695, 120365, 124355, 150773, 168511, 169235, 174097, 189145, 236929, 264803, 292315, 409241, 487795, 643093, 753865, 842555, 870485, 1184645, 1324015, 1658503, 1853621, 2046205, 2864687, 3215465, 4501651, 8292515, 9268105, 14323435, 22508255, 31511557, 157557785]

約数ペア:

[(1, 157557785), (5, 31511557), (7, 22508255), (11, 14323435), (17, 9268105), (19, 8292515), (35, 4501651), (49, 3215465), (55, 2864687), (77, 2046205), (85, 1853621), (95, 1658503), (119, 1324015), (133, 1184645), (181, 870485), (187, 842555), (209, 753865), (245, 643093), (323, 487795), (385, 409241), (539, 292315), (595, 264803), (665, 236929), (833, 189145), (905, 174097), (931, 169235), (935, 168511), (1045, 150773), (1267, 124355), (1309, 120365), (1463, 107695), (1615, 97559), (1991, 79135), (2261, 69685), (2695, 58463), (3077, 51205), (3439, 45815), (3553, 44345), (4165, 37829), (4655, 33847), (6335, 24871), (6545, 24073), (7315, 21539), (8869, 17765), (9163, 17195), (9955, 15827), (10241, 15385), (11305, 13937)]