80278884

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{106189}}^1$

素因数の和:106209

約数の個数: 48

約数和(自身を含む): 237865600

約数和(自身を除く): 157586716

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 106189, 212378, 318567, 424756, 637134, 743323, 955701, 1274268, 1486646, 1911402, 2229969, 2867103, 2973292, 3822804, 4459938, 5734206, 6689907, 8919876, 11468412, 13379814, 20069721, 26759628, 40139442, 80278884]

約数ペア:

[(1, 80278884), (2, 40139442), (3, 26759628), (4, 20069721), (6, 13379814), (7, 11468412), (9, 8919876), (12, 6689907), (14, 5734206), (18, 4459938), (21, 3822804), (27, 2973292), (28, 2867103), (36, 2229969), (42, 1911402), (54, 1486646), (63, 1274268), (84, 955701), (108, 743323), (126, 637134), (189, 424756), (252, 318567), (378, 212378), (756, 106189)]