1305900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{1451}}^1$

素因数の和:1471

約数の個数: 54

約数和(自身を含む): 4096092

約数和(自身を除く): 2790192

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 1451, 2902, 4353, 5804, 7255, 8706, 13059, 14510, 17412, 21765, 26118, 29020, 36275, 43530, 52236, 65295, 72550, 87060, 108825, 130590, 145100, 217650, 261180, 326475, 435300, 652950, 1305900]

約数ペア:

[(1, 1305900), (2, 652950), (3, 435300), (4, 326475), (5, 261180), (6, 217650), (9, 145100), (10, 130590), (12, 108825), (15, 87060), (18, 72550), (20, 65295), (25, 52236), (30, 43530), (36, 36275), (45, 29020), (50, 26118), (60, 21765), (75, 17412), (90, 14510), (100, 13059), (150, 8706), (180, 7255), (225, 5804), (300, 4353), (450, 2902), (900, 1451)]