680720

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:207

約数の個数: 40

約数和(自身を含む): 1618944

約数和(自身を除く): 938224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 127, 134, 254, 268, 335, 508, 536, 635, 670, 1016, 1072, 1270, 1340, 2032, 2540, 2680, 5080, 5360, 8509, 10160, 17018, 34036, 42545, 68072, 85090, 136144, 170180, 340360, 680720]

約数ペア:

[(1, 680720), (2, 340360), (4, 170180), (5, 136144), (8, 85090), (10, 68072), (16, 42545), (20, 34036), (40, 17018), (67, 10160), (80, 8509), (127, 5360), (134, 5080), (254, 2680), (268, 2540), (335, 2032), (508, 1340), (536, 1270), (635, 1072), (670, 1016)]