80738028

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{320389}}^1$

素因数の和:320406

約数の個数: 36

約数和(自身を含む): 233243920

約数和(自身を除く): 152505892

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 320389, 640778, 961167, 1281556, 1922334, 2242723, 2883501, 3844668, 4485446, 5767002, 6728169, 8970892, 11534004, 13456338, 20184507, 26912676, 40369014, 80738028]

約数ペア:

[(1, 80738028), (2, 40369014), (3, 26912676), (4, 20184507), (6, 13456338), (7, 11534004), (9, 8970892), (12, 6728169), (14, 5767002), (18, 4485446), (21, 3844668), (28, 2883501), (36, 2242723), (42, 1922334), (63, 1281556), (84, 961167), (126, 640778), (252, 320389)]