15671906680

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{43451}}^1$

素因数の和:43660

約数の個数: 64

約数和(自身を含む): 36040826880

約数和(自身を除く): 20368920200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 127, 142, 254, 284, 355, 508, 568, 635, 710, 1016, 1270, 1420, 2540, 2840, 5080, 9017, 18034, 36068, 43451, 45085, 72136, 86902, 90170, 173804, 180340, 217255, 347608, 360680, 434510, 869020, 1738040, 3085021, 5518277, 6170042, 11036554, 12340084, 15425105, 22073108, 24680168, 27591385, 30850210, 44146216, 55182770, 61700420, 110365540, 123400840, 220731080, 391797667, 783595334, 1567190668, 1958988335, 3134381336, 3917976670, 7835953340, 15671906680]

約数ペア:

[(1, 15671906680), (2, 7835953340), (4, 3917976670), (5, 3134381336), (8, 1958988335), (10, 1567190668), (20, 783595334), (40, 391797667), (71, 220731080), (127, 123400840), (142, 110365540), (254, 61700420), (284, 55182770), (355, 44146216), (508, 30850210), (568, 27591385), (635, 24680168), (710, 22073108), (1016, 15425105), (1270, 12340084), (1420, 11036554), (2540, 6170042), (2840, 5518277), (5080, 3085021), (9017, 1738040), (18034, 869020), (36068, 434510), (43451, 360680), (45085, 347608), (72136, 217255), (86902, 180340), (90170, 173804)]