128465232

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20123}}^1$

素因数の和:20160

約数の個数: 80

約数和(自身を含む): 399260160

約数和(自身を除く): 270794928

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 38, 42, 48, 56, 57, 76, 84, 112, 114, 133, 152, 168, 228, 266, 304, 336, 399, 456, 532, 798, 912, 1064, 1596, 2128, 3192, 6384, 20123, 40246, 60369, 80492, 120738, 140861, 160984, 241476, 281722, 321968, 382337, 422583, 482952, 563444, 764674, 845166, 965904, 1126888, 1147011, 1529348, 1690332, 2253776, 2294022, 2676359, 3058696, 3380664, 4588044, 5352718, 6117392, 6761328, 8029077, 9176088, 10705436, 16058154, 18352176, 21410872, 32116308, 42821744, 64232616, 128465232]

約数ペア:

[(1, 128465232), (2, 64232616), (3, 42821744), (4, 32116308), (6, 21410872), (7, 18352176), (8, 16058154), (12, 10705436), (14, 9176088), (16, 8029077), (19, 6761328), (21, 6117392), (24, 5352718), (28, 4588044), (38, 3380664), (42, 3058696), (48, 2676359), (56, 2294022), (57, 2253776), (76, 1690332), (84, 1529348), (112, 1147011), (114, 1126888), (133, 965904), (152, 845166), (168, 764674), (228, 563444), (266, 482952), (304, 422583), (336, 382337), (399, 321968), (456, 281722), (532, 241476), (798, 160984), (912, 140861), (1064, 120738), (1596, 80492), (2128, 60369), (3192, 40246), (6384, 20123)]