77974240

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{263}}^1$

素因数の和:404

約数の個数: 96

約数和(自身を含む): 197588160

約数和(自身を除く): 119613920

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 109, 136, 160, 170, 218, 263, 272, 340, 436, 526, 544, 545, 680, 872, 1052, 1090, 1315, 1360, 1744, 1853, 2104, 2180, 2630, 2720, 3488, 3706, 4208, 4360, 4471, 5260, 7412, 8416, 8720, 8942, 9265, 10520, 14824, 17440, 17884, 18530, 21040, 22355, 28667, 29648, 35768, 37060, 42080, 44710, 57334, 59296, 71536, 74120, 89420, 114668, 143072, 143335, 148240, 178840, 229336, 286670, 296480, 357680, 458672, 487339, 573340, 715360, 917344, 974678, 1146680, 1949356, 2293360, 2436695, 3898712, 4586720, 4873390, 7797424, 9746780, 15594848, 19493560, 38987120, 77974240]

約数ペア:

[(1, 77974240), (2, 38987120), (4, 19493560), (5, 15594848), (8, 9746780), (10, 7797424), (16, 4873390), (17, 4586720), (20, 3898712), (32, 2436695), (34, 2293360), (40, 1949356), (68, 1146680), (80, 974678), (85, 917344), (109, 715360), (136, 573340), (160, 487339), (170, 458672), (218, 357680), (263, 296480), (272, 286670), (340, 229336), (436, 178840), (526, 148240), (544, 143335), (545, 143072), (680, 114668), (872, 89420), (1052, 74120), (1090, 71536), (1315, 59296), (1360, 57334), (1744, 44710), (1853, 42080), (2104, 37060), (2180, 35768), (2630, 29648), (2720, 28667), (3488, 22355), (3706, 21040), (4208, 18530), (4360, 17884), (4471, 17440), (5260, 14824), (7412, 10520), (8416, 9265), (8720, 8942)]