1271036680

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^2\times {\mathrm{1693}}^1$

素因数の和:1978

約数の個数: 48

約数和(自身を含む): 2882561220

約数和(自身を除く): 1611524540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 1693, 2740, 3386, 5480, 6772, 8465, 13544, 16930, 18769, 33860, 37538, 67720, 75076, 93845, 150152, 187690, 231941, 375380, 463882, 750760, 927764, 1159705, 1855528, 2319410, 4638820, 9277640, 31775917, 63551834, 127103668, 158879585, 254207336, 317759170, 635518340, 1271036680]

約数ペア:

[(1, 1271036680), (2, 635518340), (4, 317759170), (5, 254207336), (8, 158879585), (10, 127103668), (20, 63551834), (40, 31775917), (137, 9277640), (274, 4638820), (548, 2319410), (685, 1855528), (1096, 1159705), (1370, 927764), (1693, 750760), (2740, 463882), (3386, 375380), (5480, 231941), (6772, 187690), (8465, 150152), (13544, 93845), (16930, 75076), (18769, 67720), (33860, 37538)]