6771640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:212

約数の個数: 64

約数和(自身を含む): 16220160

約数和(自身を除く): 9448520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 43, 62, 86, 124, 127, 155, 172, 215, 248, 254, 310, 344, 430, 508, 620, 635, 860, 1016, 1240, 1270, 1333, 1720, 2540, 2666, 3937, 5080, 5332, 5461, 6665, 7874, 10664, 10922, 13330, 15748, 19685, 21844, 26660, 27305, 31496, 39370, 43688, 53320, 54610, 78740, 109220, 157480, 169291, 218440, 338582, 677164, 846455, 1354328, 1692910, 3385820, 6771640]

約数ペア:

[(1, 6771640), (2, 3385820), (4, 1692910), (5, 1354328), (8, 846455), (10, 677164), (20, 338582), (31, 218440), (40, 169291), (43, 157480), (62, 109220), (86, 78740), (124, 54610), (127, 53320), (155, 43688), (172, 39370), (215, 31496), (248, 27305), (254, 26660), (310, 21844), (344, 19685), (430, 15748), (508, 13330), (620, 10922), (635, 10664), (860, 7874), (1016, 6665), (1240, 5461), (1270, 5332), (1333, 5080), (1720, 3937), (2540, 2666)]