68495720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{383}}^1$

素因数の和:674

約数の個数: 64

約数和(自身を含む): 164229120

約数和(自身を除く): 95733400

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 263, 340, 383, 526, 680, 766, 1052, 1315, 1532, 1915, 2104, 2630, 3064, 3830, 4471, 5260, 6511, 7660, 8942, 10520, 13022, 15320, 17884, 22355, 26044, 32555, 35768, 44710, 52088, 65110, 89420, 100729, 130220, 178840, 201458, 260440, 402916, 503645, 805832, 1007290, 1712393, 2014580, 3424786, 4029160, 6849572, 8561965, 13699144, 17123930, 34247860, 68495720]

約数ペア:

[(1, 68495720), (2, 34247860), (4, 17123930), (5, 13699144), (8, 8561965), (10, 6849572), (17, 4029160), (20, 3424786), (34, 2014580), (40, 1712393), (68, 1007290), (85, 805832), (136, 503645), (170, 402916), (263, 260440), (340, 201458), (383, 178840), (526, 130220), (680, 100729), (766, 89420), (1052, 65110), (1315, 52088), (1532, 44710), (1915, 35768), (2104, 32555), (2630, 26044), (3064, 22355), (3830, 17884), (4471, 15320), (5260, 13022), (6511, 10520), (7660, 8942)]