131631280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1481}}^1$

素因数の和:1606

約数の個数: 80

約数和(自身を含む): 337398048

約数和(自身を除く): 205766768

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 101, 110, 176, 202, 220, 404, 440, 505, 808, 880, 1010, 1111, 1481, 1616, 2020, 2222, 2962, 4040, 4444, 5555, 5924, 7405, 8080, 8888, 11110, 11848, 14810, 16291, 17776, 22220, 23696, 29620, 32582, 44440, 59240, 65164, 81455, 88880, 118480, 130328, 149581, 162910, 260656, 299162, 325820, 598324, 651640, 747905, 1196648, 1303280, 1495810, 1645391, 2393296, 2991620, 3290782, 5983240, 6581564, 8226955, 11966480, 13163128, 16453910, 26326256, 32907820, 65815640, 131631280]

約数ペア:

[(1, 131631280), (2, 65815640), (4, 32907820), (5, 26326256), (8, 16453910), (10, 13163128), (11, 11966480), (16, 8226955), (20, 6581564), (22, 5983240), (40, 3290782), (44, 2991620), (55, 2393296), (80, 1645391), (88, 1495810), (101, 1303280), (110, 1196648), (176, 747905), (202, 651640), (220, 598324), (404, 325820), (440, 299162), (505, 260656), (808, 162910), (880, 149581), (1010, 130328), (1111, 118480), (1481, 88880), (1616, 81455), (2020, 65164), (2222, 59240), (2962, 44440), (4040, 32582), (4444, 29620), (5555, 23696), (5924, 22220), (7405, 17776), (8080, 16291), (8888, 14810), (11110, 11848)]