156997980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{290737}}^1$

素因数の和:290755

約数の個数: 48

約数和(自身を含む): 488439840

約数和(自身を除く): 331441860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 290737, 581474, 872211, 1162948, 1453685, 1744422, 2616633, 2907370, 3488844, 4361055, 5233266, 5814740, 7849899, 8722110, 10466532, 13083165, 15699798, 17444220, 26166330, 31399596, 39249495, 52332660, 78498990, 156997980]

約数ペア:

[(1, 156997980), (2, 78498990), (3, 52332660), (4, 39249495), (5, 31399596), (6, 26166330), (9, 17444220), (10, 15699798), (12, 13083165), (15, 10466532), (18, 8722110), (20, 7849899), (27, 5814740), (30, 5233266), (36, 4361055), (45, 3488844), (54, 2907370), (60, 2616633), (90, 1744422), (108, 1453685), (135, 1162948), (180, 872211), (270, 581474), (540, 290737)]