81669588

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{523}}^1$

素因数の和:574

約数の個数: 144

約数和(自身を含む): 257757696

約数和(自身を除く): 176088108

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 13, 14, 21, 22, 26, 28, 33, 39, 42, 44, 52, 66, 77, 78, 84, 91, 132, 143, 154, 156, 169, 182, 231, 273, 286, 308, 338, 364, 429, 462, 507, 523, 546, 572, 676, 858, 924, 1001, 1014, 1046, 1092, 1183, 1569, 1716, 1859, 2002, 2028, 2092, 2366, 3003, 3138, 3549, 3661, 3718, 4004, 4732, 5577, 5753, 6006, 6276, 6799, 7098, 7322, 7436, 10983, 11154, 11506, 12012, 13013, 13598, 14196, 14644, 17259, 20397, 21966, 22308, 23012, 26026, 27196, 34518, 39039, 40271, 40794, 43932, 47593, 52052, 69036, 74789, 78078, 80542, 81588, 88387, 95186, 120813, 142779, 149578, 156156, 161084, 176774, 190372, 224367, 241626, 265161, 285558, 299156, 353548, 448734, 483252, 523523, 530322, 571116, 618709, 897468, 972257, 1047046, 1060644, 1237418, 1570569, 1856127, 1944514, 2094092, 2474836, 2916771, 3141138, 3712254, 3889028, 5833542, 6282276, 6805799, 7424508, 11667084, 13611598, 20417397, 27223196, 40834794, 81669588]

約数ペア:

[(1, 81669588), (2, 40834794), (3, 27223196), (4, 20417397), (6, 13611598), (7, 11667084), (11, 7424508), (12, 6805799), (13, 6282276), (14, 5833542), (21, 3889028), (22, 3712254), (26, 3141138), (28, 2916771), (33, 2474836), (39, 2094092), (42, 1944514), (44, 1856127), (52, 1570569), (66, 1237418), (77, 1060644), (78, 1047046), (84, 972257), (91, 897468), (132, 618709), (143, 571116), (154, 530322), (156, 523523), (169, 483252), (182, 448734), (231, 353548), (273, 299156), (286, 285558), (308, 265161), (338, 241626), (364, 224367), (429, 190372), (462, 176774), (507, 161084), (523, 156156), (546, 149578), (572, 142779), (676, 120813), (858, 95186), (924, 88387), (1001, 81588), (1014, 80542), (1046, 78078), (1092, 74789), (1183, 69036), (1569, 52052), (1716, 47593), (1859, 43932), (2002, 40794), (2028, 40271), (2092, 39039), (2366, 34518), (3003, 27196), (3138, 26026), (3549, 23012), (3661, 22308), (3718, 21966), (4004, 20397), (4732, 17259), (5577, 14644), (5753, 14196), (6006, 13598), (6276, 13013), (6799, 12012), (7098, 11506), (7322, 11154), (7436, 10983)]