68782120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{701}}^1$

素因数の和:946

約数の個数: 64

約数和(自身を含む): 169827840

約数和(自身を除く): 101045720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 223, 440, 446, 701, 892, 1115, 1402, 1784, 2230, 2453, 2804, 3505, 4460, 4906, 5608, 7010, 7711, 8920, 9812, 12265, 14020, 15422, 19624, 24530, 28040, 30844, 38555, 49060, 61688, 77110, 98120, 154220, 156323, 308440, 312646, 625292, 781615, 1250584, 1563230, 1719553, 3126460, 3439106, 6252920, 6878212, 8597765, 13756424, 17195530, 34391060, 68782120]

約数ペア:

[(1, 68782120), (2, 34391060), (4, 17195530), (5, 13756424), (8, 8597765), (10, 6878212), (11, 6252920), (20, 3439106), (22, 3126460), (40, 1719553), (44, 1563230), (55, 1250584), (88, 781615), (110, 625292), (220, 312646), (223, 308440), (440, 156323), (446, 154220), (701, 98120), (892, 77110), (1115, 61688), (1402, 49060), (1784, 38555), (2230, 30844), (2453, 28040), (2804, 24530), (3505, 19624), (4460, 15422), (4906, 14020), (5608, 12265), (7010, 9812), (7711, 8920)]