72072280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{257401}}^1$

素因数の和:257419

約数の個数: 32

約数和(自身を含む): 185329440

約数和(自身を除く): 113257160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 257401, 514802, 1029604, 1287005, 1801807, 2059208, 2574010, 3603614, 5148020, 7207228, 9009035, 10296040, 14414456, 18018070, 36036140, 72072280]

約数ペア:

[(1, 72072280), (2, 36036140), (4, 18018070), (5, 14414456), (7, 10296040), (8, 9009035), (10, 7207228), (14, 5148020), (20, 3603614), (28, 2574010), (35, 2059208), (40, 1801807), (56, 1287005), (70, 1029604), (140, 514802), (280, 257401)]