161103920

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^2\times {\mathrm{1471}}^1$

素因数の和:1558

約数の個数: 60

約数和(自身を含む): 385225344

約数和(自身を除く): 224121424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1369, 1471, 1480, 2738, 2942, 2960, 5476, 5884, 6845, 7355, 10952, 11768, 13690, 14710, 21904, 23536, 27380, 29420, 54427, 54760, 58840, 108854, 109520, 117680, 217708, 272135, 435416, 544270, 870832, 1088540, 2013799, 2177080, 4027598, 4354160, 8055196, 10068995, 16110392, 20137990, 32220784, 40275980, 80551960, 161103920]

約数ペア:

[(1, 161103920), (2, 80551960), (4, 40275980), (5, 32220784), (8, 20137990), (10, 16110392), (16, 10068995), (20, 8055196), (37, 4354160), (40, 4027598), (74, 2177080), (80, 2013799), (148, 1088540), (185, 870832), (296, 544270), (370, 435416), (592, 272135), (740, 217708), (1369, 117680), (1471, 109520), (1480, 108854), (2738, 58840), (2942, 54760), (2960, 54427), (5476, 29420), (5884, 27380), (6845, 23536), (7355, 21904), (10952, 14710), (11768, 13690)]