168658840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{3121}}^1$

素因数の和:3332

約数の個数: 64

約数和(自身を含む): 436080960

約数和(自身を除く): 267422120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 193, 280, 386, 772, 965, 1351, 1544, 1930, 2702, 3121, 3860, 5404, 6242, 6755, 7720, 10808, 12484, 13510, 15605, 21847, 24968, 27020, 31210, 43694, 54040, 62420, 87388, 109235, 124840, 174776, 218470, 436940, 602353, 873880, 1204706, 2409412, 3011765, 4216471, 4818824, 6023530, 8432942, 12047060, 16865884, 21082355, 24094120, 33731768, 42164710, 84329420, 168658840]

約数ペア:

[(1, 168658840), (2, 84329420), (4, 42164710), (5, 33731768), (7, 24094120), (8, 21082355), (10, 16865884), (14, 12047060), (20, 8432942), (28, 6023530), (35, 4818824), (40, 4216471), (56, 3011765), (70, 2409412), (140, 1204706), (193, 873880), (280, 602353), (386, 436940), (772, 218470), (965, 174776), (1351, 124840), (1544, 109235), (1930, 87388), (2702, 62420), (3121, 54040), (3860, 43694), (5404, 31210), (6242, 27020), (6755, 24968), (7720, 21847), (10808, 15605), (12484, 13510)]