81240516

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2621}}^1$

素因数の和:2682

約数の個数: 96

約数和(自身を含む): 246677760

約数和(自身を除く): 165437244

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 41, 42, 54, 63, 82, 84, 108, 123, 126, 164, 189, 246, 252, 287, 369, 378, 492, 574, 738, 756, 861, 1107, 1148, 1476, 1722, 2214, 2583, 2621, 3444, 4428, 5166, 5242, 7749, 7863, 10332, 10484, 15498, 15726, 18347, 23589, 30996, 31452, 36694, 47178, 55041, 70767, 73388, 94356, 107461, 110082, 141534, 165123, 214922, 220164, 283068, 322383, 330246, 429844, 495369, 644766, 660492, 752227, 967149, 990738, 1289532, 1504454, 1934298, 1981476, 2256681, 2901447, 3008908, 3868596, 4513362, 5802894, 6770043, 9026724, 11605788, 13540086, 20310129, 27080172, 40620258, 81240516]

約数ペア:

[(1, 81240516), (2, 40620258), (3, 27080172), (4, 20310129), (6, 13540086), (7, 11605788), (9, 9026724), (12, 6770043), (14, 5802894), (18, 4513362), (21, 3868596), (27, 3008908), (28, 2901447), (36, 2256681), (41, 1981476), (42, 1934298), (54, 1504454), (63, 1289532), (82, 990738), (84, 967149), (108, 752227), (123, 660492), (126, 644766), (164, 495369), (189, 429844), (246, 330246), (252, 322383), (287, 283068), (369, 220164), (378, 214922), (492, 165123), (574, 141534), (738, 110082), (756, 107461), (861, 94356), (1107, 73388), (1148, 70767), (1476, 55041), (1722, 47178), (2214, 36694), (2583, 31452), (2621, 30996), (3444, 23589), (4428, 18347), (5166, 15726), (5242, 15498), (7749, 10484), (7863, 10332)]