73740640

素因数分解:

$2^5\times 5^1\times {\mathrm{641}}^1\times {\mathrm{719}}^1$

素因数の和:1375

約数の個数: 48

約数和(自身を含む): 174726720

約数和(自身を除く): 100986080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 641, 719, 1282, 1438, 2564, 2876, 3205, 3595, 5128, 5752, 6410, 7190, 10256, 11504, 12820, 14380, 20512, 23008, 25640, 28760, 51280, 57520, 102560, 115040, 460879, 921758, 1843516, 2304395, 3687032, 4608790, 7374064, 9217580, 14748128, 18435160, 36870320, 73740640]

約数ペア:

[(1, 73740640), (2, 36870320), (4, 18435160), (5, 14748128), (8, 9217580), (10, 7374064), (16, 4608790), (20, 3687032), (32, 2304395), (40, 1843516), (80, 921758), (160, 460879), (641, 115040), (719, 102560), (1282, 57520), (1438, 51280), (2564, 28760), (2876, 25640), (3205, 23008), (3595, 20512), (5128, 14380), (5752, 12820), (6410, 11504), (7190, 10256)]