158168080

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{257}}^1$

素因数の和:441

約数の個数: 120

約数和(自身を含む): 432179928

約数和(自身を除く): 274011848

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 157, 196, 245, 257, 280, 314, 392, 490, 514, 560, 628, 784, 785, 980, 1028, 1099, 1256, 1285, 1570, 1799, 1960, 2056, 2198, 2512, 2570, 3140, 3598, 3920, 4112, 4396, 5140, 5495, 6280, 7196, 7693, 8792, 8995, 10280, 10990, 12560, 12593, 14392, 15386, 17584, 17990, 20560, 21980, 25186, 28784, 30772, 35980, 38465, 40349, 43960, 50372, 61544, 62965, 71960, 76930, 80698, 87920, 100744, 123088, 125930, 143920, 153860, 161396, 201488, 201745, 251860, 282443, 307720, 322792, 403490, 503720, 564886, 615440, 645584, 806980, 1007440, 1129772, 1412215, 1613960, 1977101, 2259544, 2824430, 3227920, 3954202, 4519088, 5648860, 7908404, 9885505, 11297720, 15816808, 19771010, 22595440, 31633616, 39542020, 79084040, 158168080]

約数ペア:

[(1, 158168080), (2, 79084040), (4, 39542020), (5, 31633616), (7, 22595440), (8, 19771010), (10, 15816808), (14, 11297720), (16, 9885505), (20, 7908404), (28, 5648860), (35, 4519088), (40, 3954202), (49, 3227920), (56, 2824430), (70, 2259544), (80, 1977101), (98, 1613960), (112, 1412215), (140, 1129772), (157, 1007440), (196, 806980), (245, 645584), (257, 615440), (280, 564886), (314, 503720), (392, 403490), (490, 322792), (514, 307720), (560, 282443), (628, 251860), (784, 201745), (785, 201488), (980, 161396), (1028, 153860), (1099, 143920), (1256, 125930), (1285, 123088), (1570, 100744), (1799, 87920), (1960, 80698), (2056, 76930), (2198, 71960), (2512, 62965), (2570, 61544), (3140, 50372), (3598, 43960), (3920, 40349), (4112, 38465), (4396, 35980), (5140, 30772), (5495, 28784), (6280, 25186), (7196, 21980), (7693, 20560), (8792, 17990), (8995, 17584), (10280, 15386), (10990, 14392), (12560, 12593)]