80522820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{63907}}^1$

素因数の和:63929

約数の個数: 72

約数和(自身を含む): 279150144

約数和(自身を除く): 198627324

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 63907, 127814, 191721, 255628, 319535, 383442, 447349, 575163, 639070, 766884, 894698, 958605, 1150326, 1278140, 1342047, 1789396, 1917210, 2236745, 2300652, 2684094, 2875815, 3834420, 4026141, 4473490, 5368188, 5751630, 6710235, 8052282, 8946980, 11503260, 13420470, 16104564, 20130705, 26840940, 40261410, 80522820]

約数ペア:

[(1, 80522820), (2, 40261410), (3, 26840940), (4, 20130705), (5, 16104564), (6, 13420470), (7, 11503260), (9, 8946980), (10, 8052282), (12, 6710235), (14, 5751630), (15, 5368188), (18, 4473490), (20, 4026141), (21, 3834420), (28, 2875815), (30, 2684094), (35, 2300652), (36, 2236745), (42, 1917210), (45, 1789396), (60, 1342047), (63, 1278140), (70, 1150326), (84, 958605), (90, 894698), (105, 766884), (126, 639070), (140, 575163), (180, 447349), (210, 383442), (252, 319535), (315, 255628), (420, 191721), (630, 127814), (1260, 63907)]