80645868

素因数分解:

$2^2\times 3^5\times {\mathrm{29}}^1\times {\mathrm{2861}}^1$

素因数の和:2909

約数の個数: 72

約数和(自身を含む): 218771280

約数和(自身を除く): 138125412

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 29, 36, 54, 58, 81, 87, 108, 116, 162, 174, 243, 261, 324, 348, 486, 522, 783, 972, 1044, 1566, 2349, 2861, 3132, 4698, 5722, 7047, 8583, 9396, 11444, 14094, 17166, 25749, 28188, 34332, 51498, 77247, 82969, 102996, 154494, 165938, 231741, 248907, 308988, 331876, 463482, 497814, 695223, 746721, 926964, 995628, 1390446, 1493442, 2240163, 2780892, 2986884, 4480326, 6720489, 8960652, 13440978, 20161467, 26881956, 40322934, 80645868]

約数ペア:

[(1, 80645868), (2, 40322934), (3, 26881956), (4, 20161467), (6, 13440978), (9, 8960652), (12, 6720489), (18, 4480326), (27, 2986884), (29, 2780892), (36, 2240163), (54, 1493442), (58, 1390446), (81, 995628), (87, 926964), (108, 746721), (116, 695223), (162, 497814), (174, 463482), (243, 331876), (261, 308988), (324, 248907), (348, 231741), (486, 165938), (522, 154494), (783, 102996), (972, 82969), (1044, 77247), (1566, 51498), (2349, 34332), (2861, 28188), (3132, 25749), (4698, 17166), (5722, 14094), (7047, 11444), (8583, 9396)]