81342828

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{5471}}^1$

素因数の和:5547

約数の個数: 72

約数和(自身を含む): 239016960

約数和(自身を除く): 157674132

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 59, 63, 84, 118, 126, 177, 236, 252, 354, 413, 531, 708, 826, 1062, 1239, 1652, 2124, 2478, 3717, 4956, 5471, 7434, 10942, 14868, 16413, 21884, 32826, 38297, 49239, 65652, 76594, 98478, 114891, 153188, 196956, 229782, 322789, 344673, 459564, 645578, 689346, 968367, 1291156, 1378692, 1936734, 2259523, 2905101, 3873468, 4519046, 5810202, 6778569, 9038092, 11620404, 13557138, 20335707, 27114276, 40671414, 81342828]

約数ペア:

[(1, 81342828), (2, 40671414), (3, 27114276), (4, 20335707), (6, 13557138), (7, 11620404), (9, 9038092), (12, 6778569), (14, 5810202), (18, 4519046), (21, 3873468), (28, 2905101), (36, 2259523), (42, 1936734), (59, 1378692), (63, 1291156), (84, 968367), (118, 689346), (126, 645578), (177, 459564), (236, 344673), (252, 322789), (354, 229782), (413, 196956), (531, 153188), (708, 114891), (826, 98478), (1062, 76594), (1239, 65652), (1652, 49239), (2124, 38297), (2478, 32826), (3717, 21884), (4956, 16413), (5471, 14868), (7434, 10942)]