318221680

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{11597}}^1$

素因数の和:11631

約数の個数: 80

約数和(自身を含む): 862891200

約数和(自身を除く): 544669520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 560, 686, 784, 980, 1372, 1715, 1960, 2744, 3430, 3920, 5488, 6860, 11597, 13720, 23194, 27440, 46388, 57985, 81179, 92776, 115970, 162358, 185552, 231940, 324716, 405895, 463880, 568253, 649432, 811790, 927760, 1136506, 1298864, 1623580, 2273012, 2841265, 3247160, 3977771, 4546024, 5682530, 6494320, 7955542, 9092048, 11365060, 15911084, 19888855, 22730120, 31822168, 39777710, 45460240, 63644336, 79555420, 159110840, 318221680]

約数ペア:

[(1, 318221680), (2, 159110840), (4, 79555420), (5, 63644336), (7, 45460240), (8, 39777710), (10, 31822168), (14, 22730120), (16, 19888855), (20, 15911084), (28, 11365060), (35, 9092048), (40, 7955542), (49, 6494320), (56, 5682530), (70, 4546024), (80, 3977771), (98, 3247160), (112, 2841265), (140, 2273012), (196, 1623580), (245, 1298864), (280, 1136506), (343, 927760), (392, 811790), (490, 649432), (560, 568253), (686, 463880), (784, 405895), (980, 324716), (1372, 231940), (1715, 185552), (1960, 162358), (2744, 115970), (3430, 92776), (3920, 81179), (5488, 57985), (6860, 46388), (11597, 27440), (13720, 23194)]