161443128

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{439}}^1$

素因数の和:665

約数の個数: 128

約数和(自身を含む): 506880000

約数和(自身を除く): 345436872

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 66, 77, 84, 88, 132, 154, 168, 199, 231, 264, 308, 398, 439, 462, 597, 616, 796, 878, 924, 1194, 1317, 1393, 1592, 1756, 1848, 2189, 2388, 2634, 2786, 3073, 3512, 4179, 4378, 4776, 4829, 5268, 5572, 6146, 6567, 8358, 8756, 9219, 9658, 10536, 11144, 12292, 13134, 14487, 15323, 16716, 17512, 18438, 19316, 24584, 26268, 28974, 30646, 33432, 33803, 36876, 38632, 45969, 52536, 57948, 61292, 67606, 73752, 87361, 91938, 101409, 115896, 122584, 135212, 174722, 183876, 202818, 262083, 270424, 349444, 367752, 405636, 524166, 611527, 698888, 811272, 960971, 1048332, 1223054, 1834581, 1921942, 2096664, 2446108, 2882913, 3669162, 3843884, 4892216, 5765826, 6726797, 7338324, 7687768, 11531652, 13453594, 14676648, 20180391, 23063304, 26907188, 40360782, 53814376, 80721564, 161443128]

約数ペア:

[(1, 161443128), (2, 80721564), (3, 53814376), (4, 40360782), (6, 26907188), (7, 23063304), (8, 20180391), (11, 14676648), (12, 13453594), (14, 11531652), (21, 7687768), (22, 7338324), (24, 6726797), (28, 5765826), (33, 4892216), (42, 3843884), (44, 3669162), (56, 2882913), (66, 2446108), (77, 2096664), (84, 1921942), (88, 1834581), (132, 1223054), (154, 1048332), (168, 960971), (199, 811272), (231, 698888), (264, 611527), (308, 524166), (398, 405636), (439, 367752), (462, 349444), (597, 270424), (616, 262083), (796, 202818), (878, 183876), (924, 174722), (1194, 135212), (1317, 122584), (1393, 115896), (1592, 101409), (1756, 91938), (1848, 87361), (2189, 73752), (2388, 67606), (2634, 61292), (2786, 57948), (3073, 52536), (3512, 45969), (4179, 38632), (4378, 36876), (4776, 33803), (4829, 33432), (5268, 30646), (5572, 28974), (6146, 26268), (6567, 24584), (8358, 19316), (8756, 18438), (9219, 17512), (9658, 16716), (10536, 15323), (11144, 14487), (12292, 13134)]