20661600

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{8609}}^1$

素因数の和:8632

約数の個数: 72

約数和(自身を含む): 67261320

約数和(自身を除く): 46599720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 75, 80, 96, 100, 120, 150, 160, 200, 240, 300, 400, 480, 600, 800, 1200, 2400, 8609, 17218, 25827, 34436, 43045, 51654, 68872, 86090, 103308, 129135, 137744, 172180, 206616, 215225, 258270, 275488, 344360, 413232, 430450, 516540, 645675, 688720, 826464, 860900, 1033080, 1291350, 1377440, 1721800, 2066160, 2582700, 3443600, 4132320, 5165400, 6887200, 10330800, 20661600]

約数ペア:

[(1, 20661600), (2, 10330800), (3, 6887200), (4, 5165400), (5, 4132320), (6, 3443600), (8, 2582700), (10, 2066160), (12, 1721800), (15, 1377440), (16, 1291350), (20, 1033080), (24, 860900), (25, 826464), (30, 688720), (32, 645675), (40, 516540), (48, 430450), (50, 413232), (60, 344360), (75, 275488), (80, 258270), (96, 215225), (100, 206616), (120, 172180), (150, 137744), (160, 129135), (200, 103308), (240, 86090), (300, 68872), (400, 51654), (480, 43045), (600, 34436), (800, 25827), (1200, 17218), (2400, 8609)]