72143960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{257657}}^1$

素因数の和:257675

約数の個数: 32

約数和(自身を含む): 185513760

約数和(自身を除く): 113369800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 257657, 515314, 1030628, 1288285, 1803599, 2061256, 2576570, 3607198, 5153140, 7214396, 9017995, 10306280, 14428792, 18035990, 36071980, 72143960]

約数ペア:

[(1, 72143960), (2, 36071980), (4, 18035990), (5, 14428792), (7, 10306280), (8, 9017995), (10, 7214396), (14, 5153140), (20, 3607198), (28, 2576570), (35, 2061256), (40, 1803599), (56, 1288285), (70, 1030628), (140, 515314), (280, 257657)]