206747280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{287149}}^1$

素因数の和:287168

約数の個数: 60

約数和(自身を含む): 694328700

約数和(自身を除く): 487581420

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 287149, 574298, 861447, 1148596, 1435745, 1722894, 2297192, 2584341, 2871490, 3445788, 4307235, 4594384, 5168682, 5742980, 6891576, 8614470, 10337364, 11485960, 12921705, 13783152, 17228940, 20674728, 22971920, 25843410, 34457880, 41349456, 51686820, 68915760, 103373640, 206747280]

約数ペア:

[(1, 206747280), (2, 103373640), (3, 68915760), (4, 51686820), (5, 41349456), (6, 34457880), (8, 25843410), (9, 22971920), (10, 20674728), (12, 17228940), (15, 13783152), (16, 12921705), (18, 11485960), (20, 10337364), (24, 8614470), (30, 6891576), (36, 5742980), (40, 5168682), (45, 4594384), (48, 4307235), (60, 3445788), (72, 2871490), (80, 2584341), (90, 2297192), (120, 1722894), (144, 1435745), (180, 1148596), (240, 861447), (360, 574298), (720, 287149)]