2778560

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{457}}^1$

素因数の和:493

約数の個数: 56

約数和(自身を含む): 6979920

約数和(自身を除く): 4201360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 457, 608, 760, 914, 1216, 1520, 1828, 2285, 3040, 3656, 4570, 6080, 7312, 8683, 9140, 14624, 17366, 18280, 29248, 34732, 36560, 43415, 69464, 73120, 86830, 138928, 146240, 173660, 277856, 347320, 555712, 694640, 1389280, 2778560]

約数ペア:

[(1, 2778560), (2, 1389280), (4, 694640), (5, 555712), (8, 347320), (10, 277856), (16, 173660), (19, 146240), (20, 138928), (32, 86830), (38, 73120), (40, 69464), (64, 43415), (76, 36560), (80, 34732), (95, 29248), (152, 18280), (160, 17366), (190, 14624), (304, 9140), (320, 8683), (380, 7312), (457, 6080), (608, 4570), (760, 3656), (914, 3040), (1216, 2285), (1520, 1828)]