181565172

素因数分解:

$2^2\times 3^3\times {\mathrm{29}}^2\times {\mathrm{1999}}^1$

素因数の和:2070

約数の個数: 72

約数和(自身を含む): 487760000

約数和(自身を除く): 306194828

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 29, 36, 54, 58, 87, 108, 116, 174, 261, 348, 522, 783, 841, 1044, 1566, 1682, 1999, 2523, 3132, 3364, 3998, 5046, 5997, 7569, 7996, 10092, 11994, 15138, 17991, 22707, 23988, 30276, 35982, 45414, 53973, 57971, 71964, 90828, 107946, 115942, 173913, 215892, 231884, 347826, 521739, 695652, 1043478, 1565217, 1681159, 2086956, 3130434, 3362318, 5043477, 6260868, 6724636, 10086954, 15130431, 20173908, 30260862, 45391293, 60521724, 90782586, 181565172]

約数ペア:

[(1, 181565172), (2, 90782586), (3, 60521724), (4, 45391293), (6, 30260862), (9, 20173908), (12, 15130431), (18, 10086954), (27, 6724636), (29, 6260868), (36, 5043477), (54, 3362318), (58, 3130434), (87, 2086956), (108, 1681159), (116, 1565217), (174, 1043478), (261, 695652), (348, 521739), (522, 347826), (783, 231884), (841, 215892), (1044, 173913), (1566, 115942), (1682, 107946), (1999, 90828), (2523, 71964), (3132, 57971), (3364, 53973), (3998, 45414), (5046, 35982), (5997, 30276), (7569, 23988), (7996, 22707), (10092, 17991), (11994, 15138)]