81609864

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{691}}^1$

素因数の和:763

約数の個数: 128

約数和(自身を含む): 252441600

約数和(自身を除く): 170831736

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 37, 38, 42, 56, 57, 74, 76, 84, 111, 114, 133, 148, 152, 168, 222, 228, 259, 266, 296, 399, 444, 456, 518, 532, 691, 703, 777, 798, 888, 1036, 1064, 1382, 1406, 1554, 1596, 2072, 2073, 2109, 2764, 2812, 3108, 3192, 4146, 4218, 4837, 4921, 5528, 5624, 6216, 8292, 8436, 9674, 9842, 13129, 14511, 14763, 16584, 16872, 19348, 19684, 25567, 26258, 29022, 29526, 38696, 39368, 39387, 51134, 52516, 58044, 59052, 76701, 78774, 91903, 102268, 105032, 116088, 118104, 153402, 157548, 178969, 183806, 204536, 275709, 306804, 315096, 357938, 367612, 485773, 536907, 551418, 613608, 715876, 735224, 971546, 1073814, 1102836, 1431752, 1457319, 1943092, 2147628, 2205672, 2914638, 3400411, 3886184, 4295256, 5829276, 6800822, 10201233, 11658552, 13601644, 20402466, 27203288, 40804932, 81609864]

約数ペア:

[(1, 81609864), (2, 40804932), (3, 27203288), (4, 20402466), (6, 13601644), (7, 11658552), (8, 10201233), (12, 6800822), (14, 5829276), (19, 4295256), (21, 3886184), (24, 3400411), (28, 2914638), (37, 2205672), (38, 2147628), (42, 1943092), (56, 1457319), (57, 1431752), (74, 1102836), (76, 1073814), (84, 971546), (111, 735224), (114, 715876), (133, 613608), (148, 551418), (152, 536907), (168, 485773), (222, 367612), (228, 357938), (259, 315096), (266, 306804), (296, 275709), (399, 204536), (444, 183806), (456, 178969), (518, 157548), (532, 153402), (691, 118104), (703, 116088), (777, 105032), (798, 102268), (888, 91903), (1036, 78774), (1064, 76701), (1382, 59052), (1406, 58044), (1554, 52516), (1596, 51134), (2072, 39387), (2073, 39368), (2109, 38696), (2764, 29526), (2812, 29022), (3108, 26258), (3192, 25567), (4146, 19684), (4218, 19348), (4837, 16872), (4921, 16584), (5528, 14763), (5624, 14511), (6216, 13129), (8292, 9842), (8436, 9674)]