7966280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1237}}^1$

素因数の和:1278

約数の個数: 64

約数和(自身を含む): 21392640

約数和(自身を除く): 13426360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1237, 1288, 1610, 2474, 3220, 4948, 6185, 6440, 8659, 9896, 12370, 17318, 24740, 28451, 34636, 43295, 49480, 56902, 69272, 86590, 113804, 142255, 173180, 199157, 227608, 284510, 346360, 398314, 569020, 796628, 995785, 1138040, 1593256, 1991570, 3983140, 7966280]

約数ペア:

[(1, 7966280), (2, 3983140), (4, 1991570), (5, 1593256), (7, 1138040), (8, 995785), (10, 796628), (14, 569020), (20, 398314), (23, 346360), (28, 284510), (35, 227608), (40, 199157), (46, 173180), (56, 142255), (70, 113804), (92, 86590), (115, 69272), (140, 56902), (161, 49480), (184, 43295), (230, 34636), (280, 28451), (322, 24740), (460, 17318), (644, 12370), (805, 9896), (920, 8659), (1237, 6440), (1288, 6185), (1610, 4948), (2474, 3220)]