1261036720

素因数分解:

$2^4\times 5^1\times {\mathrm{1031}}^1\times {\mathrm{15289}}^1$

素因数の和:16333

約数の個数: 40

約数和(自身を含む): 2934946080

約数和(自身を除く): 1673909360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1031, 2062, 4124, 5155, 8248, 10310, 15289, 16496, 20620, 30578, 41240, 61156, 76445, 82480, 122312, 152890, 244624, 305780, 611560, 1223120, 15762959, 31525918, 63051836, 78814795, 126103672, 157629590, 252207344, 315259180, 630518360, 1261036720]

約数ペア:

[(1, 1261036720), (2, 630518360), (4, 315259180), (5, 252207344), (8, 157629590), (10, 126103672), (16, 78814795), (20, 63051836), (40, 31525918), (80, 15762959), (1031, 1223120), (2062, 611560), (4124, 305780), (5155, 244624), (8248, 152890), (10310, 122312), (15289, 82480), (16496, 76445), (20620, 61156), (30578, 41240)]