123886280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{19237}}^1$

素因数の和:19278

約数の個数: 64

約数和(自身を含む): 332432640

約数和(自身を除く): 208546360

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, 1288, 1610, 3220, 6440, 19237, 38474, 76948, 96185, 134659, 153896, 192370, 269318, 384740, 442451, 538636, 673295, 769480, 884902, 1077272, 1346590, 1769804, 2212255, 2693180, 3097157, 3539608, 4424510, 5386360, 6194314, 8849020, 12388628, 15485785, 17698040, 24777256, 30971570, 61943140, 123886280]

約数ペア:

[(1, 123886280), (2, 61943140), (4, 30971570), (5, 24777256), (7, 17698040), (8, 15485785), (10, 12388628), (14, 8849020), (20, 6194314), (23, 5386360), (28, 4424510), (35, 3539608), (40, 3097157), (46, 2693180), (56, 2212255), (70, 1769804), (92, 1346590), (115, 1077272), (140, 884902), (161, 769480), (184, 673295), (230, 538636), (280, 442451), (322, 384740), (460, 269318), (644, 192370), (805, 153896), (920, 134659), (1288, 96185), (1610, 76948), (3220, 38474), (6440, 19237)]