720199782

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{491}}^1\times {\mathrm{1181}}^1$

素因数の和:1706

約数の個数: 64

約数和(自身を含む): 1674846720

約数和(自身を除く): 954646938

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 138, 207, 414, 491, 621, 982, 1181, 1242, 1473, 2362, 2946, 3543, 4419, 7086, 8838, 10629, 11293, 13257, 21258, 22586, 26514, 27163, 31887, 33879, 54326, 63774, 67758, 81489, 101637, 162978, 203274, 244467, 304911, 488934, 579871, 609822, 733401, 1159742, 1466802, 1739613, 3479226, 5218839, 10437678, 13337033, 15656517, 26674066, 31313034, 40011099, 80022198, 120033297, 240066594, 360099891, 720199782]

約数ペア:

[(1, 720199782), (2, 360099891), (3, 240066594), (6, 120033297), (9, 80022198), (18, 40011099), (23, 31313034), (27, 26674066), (46, 15656517), (54, 13337033), (69, 10437678), (138, 5218839), (207, 3479226), (414, 1739613), (491, 1466802), (621, 1159742), (982, 733401), (1181, 609822), (1242, 579871), (1473, 488934), (2362, 304911), (2946, 244467), (3543, 203274), (4419, 162978), (7086, 101637), (8838, 81489), (10629, 67758), (11293, 63774), (13257, 54326), (21258, 33879), (22586, 31887), (26514, 27163)]