18131487840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{12479}}^1$

素因数の和:13509

約数の個数: 144

約数和(自身を含む): 61939987200

約数和(自身を除く): 43808499360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1009, 1440, 2018, 3027, 4036, 5045, 6054, 8072, 9081, 10090, 12108, 12479, 15135, 16144, 18162, 20180, 24216, 24958, 30270, 32288, 36324, 37437, 40360, 45405, 48432, 49916, 60540, 62395, 72648, 74874, 80720, 90810, 96864, 99832, 112311, 121080, 124790, 145296, 149748, 161440, 181620, 187185, 199664, 224622, 242160, 249580, 290592, 299496, 363240, 374370, 399328, 449244, 484320, 499160, 561555, 598992, 726480, 748740, 898488, 998320, 1123110, 1197984, 1452960, 1497480, 1796976, 1996640, 2246220, 2994960, 3593952, 4492440, 5989920, 8984880, 12591311, 17969760, 25182622, 37773933, 50365244, 62956555, 75547866, 100730488, 113321799, 125913110, 151095732, 188869665, 201460976, 226643598, 251826220, 302191464, 377739330, 402921952, 453287196, 503652440, 566608995, 604382928, 755478660, 906574392, 1007304880, 1133217990, 1208765856, 1510957320, 1813148784, 2014609760, 2266435980, 3021914640, 3626297568, 4532871960, 6043829280, 9065743920, 18131487840]

約数ペア:

[(1, 18131487840), (2, 9065743920), (3, 6043829280), (4, 4532871960), (5, 3626297568), (6, 3021914640), (8, 2266435980), (9, 2014609760), (10, 1813148784), (12, 1510957320), (15, 1208765856), (16, 1133217990), (18, 1007304880), (20, 906574392), (24, 755478660), (30, 604382928), (32, 566608995), (36, 503652440), (40, 453287196), (45, 402921952), (48, 377739330), (60, 302191464), (72, 251826220), (80, 226643598), (90, 201460976), (96, 188869665), (120, 151095732), (144, 125913110), (160, 113321799), (180, 100730488), (240, 75547866), (288, 62956555), (360, 50365244), (480, 37773933), (720, 25182622), (1009, 17969760), (1440, 12591311), (2018, 8984880), (3027, 5989920), (4036, 4492440), (5045, 3593952), (6054, 2994960), (8072, 2246220), (9081, 1996640), (10090, 1796976), (12108, 1497480), (12479, 1452960), (15135, 1197984), (16144, 1123110), (18162, 998320), (20180, 898488), (24216, 748740), (24958, 726480), (30270, 598992), (32288, 561555), (36324, 499160), (37437, 484320), (40360, 449244), (45405, 399328), (48432, 374370), (49916, 363240), (60540, 299496), (62395, 290592), (72648, 249580), (74874, 242160), (80720, 224622), (90810, 199664), (96864, 187185), (99832, 181620), (112311, 161440), (121080, 149748), (124790, 145296)]