180787775

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{907}}^1$

素因数の和:1008

約数の個数: 48

約数和(自身を含む): 275625216

約数和(自身を除く): 94837441

約数列:

[1, 5, 7, 17, 25, 35, 67, 85, 119, 175, 335, 425, 469, 595, 907, 1139, 1675, 2345, 2975, 4535, 5695, 6349, 7973, 11725, 15419, 22675, 28475, 31745, 39865, 60769, 77095, 107933, 158725, 199325, 303845, 385475, 425383, 539665, 1033073, 1519225, 2126915, 2698325, 5165365, 7231511, 10634575, 25826825, 36157555, 180787775]

約数ペア:

[(1, 180787775), (5, 36157555), (7, 25826825), (17, 10634575), (25, 7231511), (35, 5165365), (67, 2698325), (85, 2126915), (119, 1519225), (175, 1033073), (335, 539665), (425, 425383), (469, 385475), (595, 303845), (907, 199325), (1139, 158725), (1675, 107933), (2345, 77095), (2975, 60769), (4535, 39865), (5695, 31745), (6349, 28475), (7973, 22675), (11725, 15419)]