156987306680

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1787}}^1\times {\mathrm{20149}}^1$

素因数の和:22056

約数の個数: 64

約数和(自身を含む): 356679180000

約数和(自身を除く): 199691873320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 1787, 2180, 3574, 4360, 7148, 8935, 14296, 17870, 20149, 35740, 40298, 71480, 80596, 100745, 161192, 194783, 201490, 389566, 402980, 779132, 805960, 973915, 1558264, 1947830, 2196241, 3895660, 4392482, 7791320, 8784964, 10981205, 17569928, 21962410, 36006263, 43924820, 72012526, 87849640, 144025052, 180031315, 288050104, 360062630, 720125260, 1440250520, 3924682667, 7849365334, 15698730668, 19623413335, 31397461336, 39246826670, 78493653340, 156987306680]

約数ペア:

[(1, 156987306680), (2, 78493653340), (4, 39246826670), (5, 31397461336), (8, 19623413335), (10, 15698730668), (20, 7849365334), (40, 3924682667), (109, 1440250520), (218, 720125260), (436, 360062630), (545, 288050104), (872, 180031315), (1090, 144025052), (1787, 87849640), (2180, 72012526), (3574, 43924820), (4360, 36006263), (7148, 21962410), (8935, 17569928), (14296, 10981205), (17870, 8784964), (20149, 7791320), (35740, 4392482), (40298, 3895660), (71480, 2196241), (80596, 1947830), (100745, 1558264), (161192, 973915), (194783, 805960), (201490, 779132), (389566, 402980)]