80891280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{112349}}^1$

素因数の和:112368

約数の個数: 60

約数和(自身を含む): 271662300

約数和(自身を除く): 190771020

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 112349, 224698, 337047, 449396, 561745, 674094, 898792, 1011141, 1123490, 1348188, 1685235, 1797584, 2022282, 2246980, 2696376, 3370470, 4044564, 4493960, 5055705, 5392752, 6740940, 8089128, 8987920, 10111410, 13481880, 16178256, 20222820, 26963760, 40445640, 80891280]

約数ペア:

[(1, 80891280), (2, 40445640), (3, 26963760), (4, 20222820), (5, 16178256), (6, 13481880), (8, 10111410), (9, 8987920), (10, 8089128), (12, 6740940), (15, 5392752), (16, 5055705), (18, 4493960), (20, 4044564), (24, 3370470), (30, 2696376), (36, 2246980), (40, 2022282), (45, 1797584), (48, 1685235), (60, 1348188), (72, 1123490), (80, 1011141), (90, 898792), (120, 674094), (144, 561745), (180, 449396), (240, 337047), (360, 224698), (720, 112349)]