81541236

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{2689}}^1$

素因数の和:2741

約数の個数: 72

約数和(自身を含む): 229575360

約数和(自身を除く): 148034124

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 76, 84, 114, 133, 228, 266, 361, 399, 532, 722, 798, 1083, 1444, 1596, 2166, 2527, 2689, 4332, 5054, 5378, 7581, 8067, 10108, 10756, 15162, 16134, 18823, 30324, 32268, 37646, 51091, 56469, 75292, 102182, 112938, 153273, 204364, 225876, 306546, 357637, 613092, 715274, 970729, 1072911, 1430548, 1941458, 2145822, 2912187, 3882916, 4291644, 5824374, 6795103, 11648748, 13590206, 20385309, 27180412, 40770618, 81541236]

約数ペア:

[(1, 81541236), (2, 40770618), (3, 27180412), (4, 20385309), (6, 13590206), (7, 11648748), (12, 6795103), (14, 5824374), (19, 4291644), (21, 3882916), (28, 2912187), (38, 2145822), (42, 1941458), (57, 1430548), (76, 1072911), (84, 970729), (114, 715274), (133, 613092), (228, 357637), (266, 306546), (361, 225876), (399, 204364), (532, 153273), (722, 112938), (798, 102182), (1083, 75292), (1444, 56469), (1596, 51091), (2166, 37646), (2527, 32268), (2689, 30324), (4332, 18823), (5054, 16134), (5378, 15162), (7581, 10756), (8067, 10108)]