78969840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{8893}}^1$

素因数の和:8946

約数の個数: 80

約数和(自身を含む): 251451168

約数和(自身を除く): 172481328

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 60, 74, 80, 111, 120, 148, 185, 222, 240, 296, 370, 444, 555, 592, 740, 888, 1110, 1480, 1776, 2220, 2960, 4440, 8880, 8893, 17786, 26679, 35572, 44465, 53358, 71144, 88930, 106716, 133395, 142288, 177860, 213432, 266790, 329041, 355720, 426864, 533580, 658082, 711440, 987123, 1067160, 1316164, 1645205, 1974246, 2134320, 2632328, 3290410, 3948492, 4935615, 5264656, 6580820, 7896984, 9871230, 13161640, 15793968, 19742460, 26323280, 39484920, 78969840]

約数ペア:

[(1, 78969840), (2, 39484920), (3, 26323280), (4, 19742460), (5, 15793968), (6, 13161640), (8, 9871230), (10, 7896984), (12, 6580820), (15, 5264656), (16, 4935615), (20, 3948492), (24, 3290410), (30, 2632328), (37, 2134320), (40, 1974246), (48, 1645205), (60, 1316164), (74, 1067160), (80, 987123), (111, 711440), (120, 658082), (148, 533580), (185, 426864), (222, 355720), (240, 329041), (296, 266790), (370, 213432), (444, 177860), (555, 142288), (592, 133395), (740, 106716), (888, 88930), (1110, 71144), (1480, 53358), (1776, 44465), (2220, 35572), (2960, 26679), (4440, 17786), (8880, 8893)]