639867744

素因数分解:

$2^5\times 3^2\times {\mathrm{59}}^1\times {\mathrm{37657}}^1$

素因数の和:37732

約数の個数: 72

約数和(自身を含む): 1850514120

約数和(自身を除く): 1210646376

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 59, 72, 96, 118, 144, 177, 236, 288, 354, 472, 531, 708, 944, 1062, 1416, 1888, 2124, 2832, 4248, 5664, 8496, 16992, 37657, 75314, 112971, 150628, 225942, 301256, 338913, 451884, 602512, 677826, 903768, 1205024, 1355652, 1807536, 2221763, 2711304, 3615072, 4443526, 5422608, 6665289, 8887052, 10845216, 13330578, 17774104, 19995867, 26661156, 35548208, 39991734, 53322312, 71096416, 79983468, 106644624, 159966936, 213289248, 319933872, 639867744]

約数ペア:

[(1, 639867744), (2, 319933872), (3, 213289248), (4, 159966936), (6, 106644624), (8, 79983468), (9, 71096416), (12, 53322312), (16, 39991734), (18, 35548208), (24, 26661156), (32, 19995867), (36, 17774104), (48, 13330578), (59, 10845216), (72, 8887052), (96, 6665289), (118, 5422608), (144, 4443526), (177, 3615072), (236, 2711304), (288, 2221763), (354, 1807536), (472, 1355652), (531, 1205024), (708, 903768), (944, 677826), (1062, 602512), (1416, 451884), (1888, 338913), (2124, 301256), (2832, 225942), (4248, 150628), (5664, 112971), (8496, 75314), (16992, 37657)]