247271520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{515149}}^1$

素因数の和:515167

約数の個数: 48

約数和(自身を含む): 778906800

約数和(自身を除く): 531635280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 515149, 1030298, 1545447, 2060596, 2575745, 3090894, 4121192, 5151490, 6181788, 7727235, 8242384, 10302980, 12363576, 15454470, 16484768, 20605960, 24727152, 30908940, 41211920, 49454304, 61817880, 82423840, 123635760, 247271520]

約数ペア:

[(1, 247271520), (2, 123635760), (3, 82423840), (4, 61817880), (5, 49454304), (6, 41211920), (8, 30908940), (10, 24727152), (12, 20605960), (15, 16484768), (16, 15454470), (20, 12363576), (24, 10302980), (30, 8242384), (32, 7727235), (40, 6181788), (48, 5151490), (60, 4121192), (80, 3090894), (96, 2575745), (120, 2060596), (160, 1545447), (240, 1030298), (480, 515149)]