1252720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{2237}}^1$

素因数の和:2257

約数の個数: 40

約数和(自身を含む): 3330144

約数和(自身を除く): 2077424

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 2237, 4474, 8948, 11185, 15659, 17896, 22370, 31318, 35792, 44740, 62636, 78295, 89480, 125272, 156590, 178960, 250544, 313180, 626360, 1252720]

約数ペア:

[(1, 1252720), (2, 626360), (4, 313180), (5, 250544), (7, 178960), (8, 156590), (10, 125272), (14, 89480), (16, 78295), (20, 62636), (28, 44740), (35, 35792), (40, 31318), (56, 22370), (70, 17896), (80, 15659), (112, 11185), (140, 8948), (280, 4474), (560, 2237)]