128585960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{719}}^1$

素因数の和:1010

約数の個数: 64

約数和(自身を含む): 307929600

約数和(自身を除く): 179343640

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 263, 340, 526, 680, 719, 1052, 1315, 1438, 2104, 2630, 2876, 3595, 4471, 5260, 5752, 7190, 8942, 10520, 12223, 14380, 17884, 22355, 24446, 28760, 35768, 44710, 48892, 61115, 89420, 97784, 122230, 178840, 189097, 244460, 378194, 488920, 756388, 945485, 1512776, 1890970, 3214649, 3781940, 6429298, 7563880, 12858596, 16073245, 25717192, 32146490, 64292980, 128585960]

約数ペア:

[(1, 128585960), (2, 64292980), (4, 32146490), (5, 25717192), (8, 16073245), (10, 12858596), (17, 7563880), (20, 6429298), (34, 3781940), (40, 3214649), (68, 1890970), (85, 1512776), (136, 945485), (170, 756388), (263, 488920), (340, 378194), (526, 244460), (680, 189097), (719, 178840), (1052, 122230), (1315, 97784), (1438, 89420), (2104, 61115), (2630, 48892), (2876, 44710), (3595, 35768), (4471, 28760), (5260, 24446), (5752, 22355), (7190, 17884), (8942, 14380), (10520, 12223)]