1381081600

素因数分解:

$2^9\times 5^2\times {\mathrm{107897}}^1$

素因数の和:107925

約数の個数: 60

約数和(自身を含む): 3421769274

約数和(自身を除く): 2040687674

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 1280, 1600, 2560, 3200, 6400, 12800, 107897, 215794, 431588, 539485, 863176, 1078970, 1726352, 2157940, 2697425, 3452704, 4315880, 5394850, 6905408, 8631760, 10789700, 13810816, 17263520, 21579400, 27621632, 34527040, 43158800, 55243264, 69054080, 86317600, 138108160, 172635200, 276216320, 345270400, 690540800, 1381081600]

約数ペア:

[(1, 1381081600), (2, 690540800), (4, 345270400), (5, 276216320), (8, 172635200), (10, 138108160), (16, 86317600), (20, 69054080), (25, 55243264), (32, 43158800), (40, 34527040), (50, 27621632), (64, 21579400), (80, 17263520), (100, 13810816), (128, 10789700), (160, 8631760), (200, 6905408), (256, 5394850), (320, 4315880), (400, 3452704), (512, 2697425), (640, 2157940), (800, 1726352), (1280, 1078970), (1600, 863176), (2560, 539485), (3200, 431588), (6400, 215794), (12800, 107897)]