855900

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{317}}^1$

素因数の和:340

約数の個数: 72

約数和(自身を含む): 2760240

約数和(自身を除く): 1904340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 90, 100, 108, 135, 150, 180, 225, 270, 300, 317, 450, 540, 634, 675, 900, 951, 1268, 1350, 1585, 1902, 2700, 2853, 3170, 3804, 4755, 5706, 6340, 7925, 8559, 9510, 11412, 14265, 15850, 17118, 19020, 23775, 28530, 31700, 34236, 42795, 47550, 57060, 71325, 85590, 95100, 142650, 171180, 213975, 285300, 427950, 855900]

約数ペア:

[(1, 855900), (2, 427950), (3, 285300), (4, 213975), (5, 171180), (6, 142650), (9, 95100), (10, 85590), (12, 71325), (15, 57060), (18, 47550), (20, 42795), (25, 34236), (27, 31700), (30, 28530), (36, 23775), (45, 19020), (50, 17118), (54, 15850), (60, 14265), (75, 11412), (90, 9510), (100, 8559), (108, 7925), (135, 6340), (150, 5706), (180, 4755), (225, 3804), (270, 3170), (300, 2853), (317, 2700), (450, 1902), (540, 1585), (634, 1350), (675, 1268), (900, 951)]