2161820400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{1801517}}^1$

素因数の和:1801538

約数の個数: 60

約数和(自身を含む): 6925035192

約数和(自身を除く): 4763214792

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 120, 150, 200, 240, 300, 400, 600, 1200, 1801517, 3603034, 5404551, 7206068, 9007585, 10809102, 14412136, 18015170, 21618204, 27022755, 28824272, 36030340, 43236408, 45037925, 54045510, 72060680, 86472816, 90075850, 108091020, 135113775, 144121360, 180151700, 216182040, 270227550, 360303400, 432364080, 540455100, 720606800, 1080910200, 2161820400]

約数ペア:

[(1, 2161820400), (2, 1080910200), (3, 720606800), (4, 540455100), (5, 432364080), (6, 360303400), (8, 270227550), (10, 216182040), (12, 180151700), (15, 144121360), (16, 135113775), (20, 108091020), (24, 90075850), (25, 86472816), (30, 72060680), (40, 54045510), (48, 45037925), (50, 43236408), (60, 36030340), (75, 28824272), (80, 27022755), (100, 21618204), (120, 18015170), (150, 14412136), (200, 10809102), (240, 9007585), (300, 7206068), (400, 5404551), (600, 3603034), (1200, 1801517)]