161780706

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:285

約数の個数: 96

約数和(自身を含む): 390265920

約数和(自身を除く): 228485214

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 43, 54, 57, 86, 114, 129, 171, 193, 258, 342, 361, 386, 387, 513, 579, 722, 774, 817, 1026, 1083, 1158, 1161, 1634, 1737, 2166, 2322, 2451, 3249, 3474, 3667, 4902, 5211, 6498, 7334, 7353, 8299, 9747, 10422, 11001, 14706, 15523, 16598, 19494, 22002, 22059, 24897, 31046, 33003, 44118, 46569, 49794, 66006, 69673, 74691, 93138, 99009, 139346, 139707, 149382, 157681, 198018, 209019, 224073, 279414, 315362, 418038, 419121, 448146, 473043, 627057, 838242, 946086, 1254114, 1419129, 1881171, 2838258, 2995939, 3762342, 4257387, 5991878, 8514774, 8987817, 17975634, 26963451, 53926902, 80890353, 161780706]

約数ペア:

[(1, 161780706), (2, 80890353), (3, 53926902), (6, 26963451), (9, 17975634), (18, 8987817), (19, 8514774), (27, 5991878), (38, 4257387), (43, 3762342), (54, 2995939), (57, 2838258), (86, 1881171), (114, 1419129), (129, 1254114), (171, 946086), (193, 838242), (258, 627057), (342, 473043), (361, 448146), (386, 419121), (387, 418038), (513, 315362), (579, 279414), (722, 224073), (774, 209019), (817, 198018), (1026, 157681), (1083, 149382), (1158, 139707), (1161, 139346), (1634, 99009), (1737, 93138), (2166, 74691), (2322, 69673), (2451, 66006), (3249, 49794), (3474, 46569), (3667, 44118), (4902, 33003), (5211, 31046), (6498, 24897), (7334, 22059), (7353, 22002), (8299, 19494), (9747, 16598), (10422, 15523), (11001, 14706)]