81546080

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{6619}}^1$

素因数の和:6652

約数の個数: 96

約数和(自身を含む): 240226560

約数和(自身を除く): 158680480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 160, 176, 220, 224, 280, 308, 352, 385, 440, 560, 616, 770, 880, 1120, 1232, 1540, 1760, 2464, 3080, 6160, 6619, 12320, 13238, 26476, 33095, 46333, 52952, 66190, 72809, 92666, 105904, 132380, 145618, 185332, 211808, 231665, 264760, 291236, 364045, 370664, 463330, 509663, 529520, 582472, 728090, 741328, 926660, 1019326, 1059040, 1164944, 1456180, 1482656, 1853320, 2038652, 2329888, 2548315, 2912360, 3706640, 4077304, 5096630, 5824720, 7413280, 8154608, 10193260, 11649440, 16309216, 20386520, 40773040, 81546080]

約数ペア:

[(1, 81546080), (2, 40773040), (4, 20386520), (5, 16309216), (7, 11649440), (8, 10193260), (10, 8154608), (11, 7413280), (14, 5824720), (16, 5096630), (20, 4077304), (22, 3706640), (28, 2912360), (32, 2548315), (35, 2329888), (40, 2038652), (44, 1853320), (55, 1482656), (56, 1456180), (70, 1164944), (77, 1059040), (80, 1019326), (88, 926660), (110, 741328), (112, 728090), (140, 582472), (154, 529520), (160, 509663), (176, 463330), (220, 370664), (224, 364045), (280, 291236), (308, 264760), (352, 231665), (385, 211808), (440, 185332), (560, 145618), (616, 132380), (770, 105904), (880, 92666), (1120, 72809), (1232, 66190), (1540, 52952), (1760, 46333), (2464, 33095), (3080, 26476), (6160, 13238), (6619, 12320)]