72285080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{258161}}^1$

素因数の和:258179

約数の個数: 32

約数和(自身を含む): 185876640

約数和(自身を除く): 113591560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 258161, 516322, 1032644, 1290805, 1807127, 2065288, 2581610, 3614254, 5163220, 7228508, 9035635, 10326440, 14457016, 18071270, 36142540, 72285080]

約数ペア:

[(1, 72285080), (2, 36142540), (4, 18071270), (5, 14457016), (7, 10326440), (8, 9035635), (10, 7228508), (14, 5163220), (20, 3614254), (28, 2581610), (35, 2065288), (40, 1807127), (56, 1290805), (70, 1032644), (140, 516322), (280, 258161)]