80721216

素因数分解:

$2^6\times 3^2\times {\mathrm{353}}^1\times {\mathrm{397}}^1$

素因数の和:768

約数の個数: 84

約数和(自身を含む): 232612692

約数和(自身を除く): 151891476

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 144, 192, 288, 353, 397, 576, 706, 794, 1059, 1191, 1412, 1588, 2118, 2382, 2824, 3176, 3177, 3573, 4236, 4764, 5648, 6352, 6354, 7146, 8472, 9528, 11296, 12704, 12708, 14292, 16944, 19056, 22592, 25408, 25416, 28584, 33888, 38112, 50832, 57168, 67776, 76224, 101664, 114336, 140141, 203328, 228672, 280282, 420423, 560564, 840846, 1121128, 1261269, 1681692, 2242256, 2522538, 3363384, 4484512, 5045076, 6726768, 8969024, 10090152, 13453536, 20180304, 26907072, 40360608, 80721216]

約数ペア:

[(1, 80721216), (2, 40360608), (3, 26907072), (4, 20180304), (6, 13453536), (8, 10090152), (9, 8969024), (12, 6726768), (16, 5045076), (18, 4484512), (24, 3363384), (32, 2522538), (36, 2242256), (48, 1681692), (64, 1261269), (72, 1121128), (96, 840846), (144, 560564), (192, 420423), (288, 280282), (353, 228672), (397, 203328), (576, 140141), (706, 114336), (794, 101664), (1059, 76224), (1191, 67776), (1412, 57168), (1588, 50832), (2118, 38112), (2382, 33888), (2824, 28584), (3176, 25416), (3177, 25408), (3573, 22592), (4236, 19056), (4764, 16944), (5648, 14292), (6352, 12708), (6354, 12704), (7146, 11296), (8472, 9528)]