71181216

素因数分解:

$2^5\times 3^2\times {\mathrm{439}}^1\times {\mathrm{563}}^1$

素因数の和:1018

約数の個数: 72

約数和(自身を含む): 203243040

約数和(自身を除く): 132061824

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 439, 563, 878, 1126, 1317, 1689, 1756, 2252, 2634, 3378, 3512, 3951, 4504, 5067, 5268, 6756, 7024, 7902, 9008, 10134, 10536, 13512, 14048, 15804, 18016, 20268, 21072, 27024, 31608, 40536, 42144, 54048, 63216, 81072, 126432, 162144, 247157, 494314, 741471, 988628, 1482942, 1977256, 2224413, 2965884, 3954512, 4448826, 5931768, 7909024, 8897652, 11863536, 17795304, 23727072, 35590608, 71181216]

約数ペア:

[(1, 71181216), (2, 35590608), (3, 23727072), (4, 17795304), (6, 11863536), (8, 8897652), (9, 7909024), (12, 5931768), (16, 4448826), (18, 3954512), (24, 2965884), (32, 2224413), (36, 1977256), (48, 1482942), (72, 988628), (96, 741471), (144, 494314), (288, 247157), (439, 162144), (563, 126432), (878, 81072), (1126, 63216), (1317, 54048), (1689, 42144), (1756, 40536), (2252, 31608), (2634, 27024), (3378, 21072), (3512, 20268), (3951, 18016), (4504, 15804), (5067, 14048), (5268, 13512), (6756, 10536), (7024, 10134), (7902, 9008)]