81574584

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{911}}^1$

素因数の和:981

約数の個数: 128

約数和(自身を含む): 257402880

約数和(自身を除く): 175828296

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 41, 42, 52, 56, 78, 82, 84, 91, 104, 123, 156, 164, 168, 182, 246, 273, 287, 312, 328, 364, 492, 533, 546, 574, 728, 861, 911, 984, 1066, 1092, 1148, 1599, 1722, 1822, 2132, 2184, 2296, 2733, 3198, 3444, 3644, 3731, 4264, 5466, 6377, 6396, 6888, 7288, 7462, 10932, 11193, 11843, 12754, 12792, 14924, 19131, 21864, 22386, 23686, 25508, 29848, 35529, 37351, 38262, 44772, 47372, 51016, 71058, 74702, 76524, 82901, 89544, 94744, 112053, 142116, 149404, 153048, 165802, 224106, 248703, 261457, 284232, 298808, 331604, 448212, 485563, 497406, 522914, 663208, 784371, 896424, 971126, 994812, 1045828, 1456689, 1568742, 1942252, 1989624, 2091656, 2913378, 3137484, 3398941, 3884504, 5826756, 6274968, 6797882, 10196823, 11653512, 13595764, 20393646, 27191528, 40787292, 81574584]

約数ペア:

[(1, 81574584), (2, 40787292), (3, 27191528), (4, 20393646), (6, 13595764), (7, 11653512), (8, 10196823), (12, 6797882), (13, 6274968), (14, 5826756), (21, 3884504), (24, 3398941), (26, 3137484), (28, 2913378), (39, 2091656), (41, 1989624), (42, 1942252), (52, 1568742), (56, 1456689), (78, 1045828), (82, 994812), (84, 971126), (91, 896424), (104, 784371), (123, 663208), (156, 522914), (164, 497406), (168, 485563), (182, 448212), (246, 331604), (273, 298808), (287, 284232), (312, 261457), (328, 248703), (364, 224106), (492, 165802), (533, 153048), (546, 149404), (574, 142116), (728, 112053), (861, 94744), (911, 89544), (984, 82901), (1066, 76524), (1092, 74702), (1148, 71058), (1599, 51016), (1722, 47372), (1822, 44772), (2132, 38262), (2184, 37351), (2296, 35529), (2733, 29848), (3198, 25508), (3444, 23686), (3644, 22386), (3731, 21864), (4264, 19131), (5466, 14924), (6377, 12792), (6396, 12754), (6888, 11843), (7288, 11193), (7462, 10932)]