80854560

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{56149}}^1$

素因数の和:56170

約数の個数: 72

約数和(自身を含む): 275921100

約数和(自身を除く): 195066540

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 56149, 112298, 168447, 224596, 280745, 336894, 449192, 505341, 561490, 673788, 842235, 898384, 1010682, 1122980, 1347576, 1684470, 1796768, 2021364, 2245960, 2526705, 2695152, 3368940, 4042728, 4491920, 5053410, 5390304, 6737880, 8085456, 8983840, 10106820, 13475760, 16170912, 20213640, 26951520, 40427280, 80854560]

約数ペア:

[(1, 80854560), (2, 40427280), (3, 26951520), (4, 20213640), (5, 16170912), (6, 13475760), (8, 10106820), (9, 8983840), (10, 8085456), (12, 6737880), (15, 5390304), (16, 5053410), (18, 4491920), (20, 4042728), (24, 3368940), (30, 2695152), (32, 2526705), (36, 2245960), (40, 2021364), (45, 1796768), (48, 1684470), (60, 1347576), (72, 1122980), (80, 1010682), (90, 898384), (96, 842235), (120, 673788), (144, 561490), (160, 505341), (180, 449192), (240, 336894), (288, 280745), (360, 224596), (480, 168447), (720, 112298), (1440, 56149)]