261330816

素因数分解:

$2^7\times 3^1\times {\mathrm{431}}^1\times {\mathrm{1579}}^1$

素因数の和:2027

約数の個数: 64

約数和(自身を含む): 696211200

約数和(自身を除く): 434880384

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 384, 431, 862, 1293, 1579, 1724, 2586, 3158, 3448, 4737, 5172, 6316, 6896, 9474, 10344, 12632, 13792, 18948, 20688, 25264, 27584, 37896, 41376, 50528, 55168, 75792, 82752, 101056, 151584, 165504, 202112, 303168, 606336, 680549, 1361098, 2041647, 2722196, 4083294, 5444392, 8166588, 10888784, 16333176, 21777568, 32666352, 43555136, 65332704, 87110272, 130665408, 261330816]

約数ペア:

[(1, 261330816), (2, 130665408), (3, 87110272), (4, 65332704), (6, 43555136), (8, 32666352), (12, 21777568), (16, 16333176), (24, 10888784), (32, 8166588), (48, 5444392), (64, 4083294), (96, 2722196), (128, 2041647), (192, 1361098), (384, 680549), (431, 606336), (862, 303168), (1293, 202112), (1579, 165504), (1724, 151584), (2586, 101056), (3158, 82752), (3448, 75792), (4737, 55168), (5172, 50528), (6316, 41376), (6896, 37896), (9474, 27584), (10344, 25264), (12632, 20688), (13792, 18948)]