205883280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{285949}}^1$

素因数の和:285968

約数の個数: 60

約数和(自身を含む): 691427100

約数和(自身を除く): 485543820

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, 285949, 571898, 857847, 1143796, 1429745, 1715694, 2287592, 2573541, 2859490, 3431388, 4289235, 4575184, 5147082, 5718980, 6862776, 8578470, 10294164, 11437960, 12867705, 13725552, 17156940, 20588328, 22875920, 25735410, 34313880, 41176656, 51470820, 68627760, 102941640, 205883280]

約数ペア:

[(1, 205883280), (2, 102941640), (3, 68627760), (4, 51470820), (5, 41176656), (6, 34313880), (8, 25735410), (9, 22875920), (10, 20588328), (12, 17156940), (15, 13725552), (16, 12867705), (18, 11437960), (20, 10294164), (24, 8578470), (30, 6862776), (36, 5718980), (40, 5147082), (45, 4575184), (48, 4289235), (60, 3431388), (72, 2859490), (80, 2573541), (90, 2287592), (120, 1715694), (144, 1429745), (180, 1143796), (240, 857847), (360, 571898), (720, 285949)]