128704480

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{42337}}^1$

素因数の和:42371

約数の個数: 48

約数和(自身を含む): 320075280

約数和(自身を除く): 191370800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 42337, 84674, 169348, 211685, 338696, 423370, 677392, 804403, 846740, 1354784, 1608806, 1693480, 3217612, 3386960, 4022015, 6435224, 6773920, 8044030, 12870448, 16088060, 25740896, 32176120, 64352240, 128704480]

約数ペア:

[(1, 128704480), (2, 64352240), (4, 32176120), (5, 25740896), (8, 16088060), (10, 12870448), (16, 8044030), (19, 6773920), (20, 6435224), (32, 4022015), (38, 3386960), (40, 3217612), (76, 1693480), (80, 1608806), (95, 1354784), (152, 846740), (160, 804403), (190, 677392), (304, 423370), (380, 338696), (608, 211685), (760, 169348), (1520, 84674), (3040, 42337)]