2780208

素因数分解:

$2^4\times 3^2\times {\mathrm{43}}^1\times {\mathrm{449}}^1$

素因数の和:506

約数の個数: 60

約数和(自身を含む): 7979400

約数和(自身を除く): 5199192

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 43, 48, 72, 86, 129, 144, 172, 258, 344, 387, 449, 516, 688, 774, 898, 1032, 1347, 1548, 1796, 2064, 2694, 3096, 3592, 4041, 5388, 6192, 7184, 8082, 10776, 16164, 19307, 21552, 32328, 38614, 57921, 64656, 77228, 115842, 154456, 173763, 231684, 308912, 347526, 463368, 695052, 926736, 1390104, 2780208]

約数ペア:

[(1, 2780208), (2, 1390104), (3, 926736), (4, 695052), (6, 463368), (8, 347526), (9, 308912), (12, 231684), (16, 173763), (18, 154456), (24, 115842), (36, 77228), (43, 64656), (48, 57921), (72, 38614), (86, 32328), (129, 21552), (144, 19307), (172, 16164), (258, 10776), (344, 8082), (387, 7184), (449, 6192), (516, 5388), (688, 4041), (774, 3592), (898, 3096), (1032, 2694), (1347, 2064), (1548, 1796)]