20668800

素因数分解:

$2^7\times 3^1\times 5^2\times {\mathrm{2153}}^1$

素因数の和:2180

約数の個数: 96

約数和(自身を含む): 68109480

約数和(自身を除く): 47440680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 128, 150, 160, 192, 200, 240, 300, 320, 384, 400, 480, 600, 640, 800, 960, 1200, 1600, 1920, 2153, 2400, 3200, 4306, 4800, 6459, 8612, 9600, 10765, 12918, 17224, 21530, 25836, 32295, 34448, 43060, 51672, 53825, 64590, 68896, 86120, 103344, 107650, 129180, 137792, 161475, 172240, 206688, 215300, 258360, 275584, 322950, 344480, 413376, 430600, 516720, 645900, 688960, 826752, 861200, 1033440, 1291800, 1377920, 1722400, 2066880, 2583600, 3444800, 4133760, 5167200, 6889600, 10334400, 20668800]

約数ペア:

[(1, 20668800), (2, 10334400), (3, 6889600), (4, 5167200), (5, 4133760), (6, 3444800), (8, 2583600), (10, 2066880), (12, 1722400), (15, 1377920), (16, 1291800), (20, 1033440), (24, 861200), (25, 826752), (30, 688960), (32, 645900), (40, 516720), (48, 430600), (50, 413376), (60, 344480), (64, 322950), (75, 275584), (80, 258360), (96, 215300), (100, 206688), (120, 172240), (128, 161475), (150, 137792), (160, 129180), (192, 107650), (200, 103344), (240, 86120), (300, 68896), (320, 64590), (384, 53825), (400, 51672), (480, 43060), (600, 34448), (640, 32295), (800, 25836), (960, 21530), (1200, 17224), (1600, 12918), (1920, 10765), (2153, 9600), (2400, 8612), (3200, 6459), (4306, 4800)]