180024760

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{63389}}^1$

素因数の和:63471

約数の個数: 32

約数和(自身を含む): 410767200

約数和(自身を除く): 230742440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 63389, 126778, 253556, 316945, 507112, 633890, 1267780, 2535560, 4500619, 9001238, 18002476, 22503095, 36004952, 45006190, 90012380, 180024760]

約数ペア:

[(1, 180024760), (2, 90012380), (4, 45006190), (5, 36004952), (8, 22503095), (10, 18002476), (20, 9001238), (40, 4500619), (71, 2535560), (142, 1267780), (284, 633890), (355, 507112), (568, 316945), (710, 253556), (1420, 126778), (2840, 63389)]