80403984

素因数分解:

$2^4\times 3^2\times {\mathrm{647}}^1\times {\mathrm{863}}^1$

素因数の和:1524

約数の個数: 60

約数和(自身を含む): 225628416

約数和(自身を除く): 145224432

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 647, 863, 1294, 1726, 1941, 2588, 2589, 3452, 3882, 5176, 5178, 5823, 6904, 7764, 7767, 10352, 10356, 11646, 13808, 15528, 15534, 20712, 23292, 31056, 31068, 41424, 46584, 62136, 93168, 124272, 558361, 1116722, 1675083, 2233444, 3350166, 4466888, 5025249, 6700332, 8933776, 10050498, 13400664, 20100996, 26801328, 40201992, 80403984]

約数ペア:

[(1, 80403984), (2, 40201992), (3, 26801328), (4, 20100996), (6, 13400664), (8, 10050498), (9, 8933776), (12, 6700332), (16, 5025249), (18, 4466888), (24, 3350166), (36, 2233444), (48, 1675083), (72, 1116722), (144, 558361), (647, 124272), (863, 93168), (1294, 62136), (1726, 46584), (1941, 41424), (2588, 31068), (2589, 31056), (3452, 23292), (3882, 20712), (5176, 15534), (5178, 15528), (5823, 13808), (6904, 11646), (7764, 10356), (7767, 10352)]