20728800

素因数分解:

$2^5\times 3^2\times 5^2\times {\mathrm{2879}}^1$

素因数の和:2905

約数の個数: 108

約数和(自身を含む): 73120320

約数和(自身を除く): 52391520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 96, 100, 120, 144, 150, 160, 180, 200, 225, 240, 288, 300, 360, 400, 450, 480, 600, 720, 800, 900, 1200, 1440, 1800, 2400, 2879, 3600, 5758, 7200, 8637, 11516, 14395, 17274, 23032, 25911, 28790, 34548, 43185, 46064, 51822, 57580, 69096, 71975, 86370, 92128, 103644, 115160, 129555, 138192, 143950, 172740, 207288, 215925, 230320, 259110, 276384, 287900, 345480, 414576, 431850, 460640, 518220, 575800, 647775, 690960, 829152, 863700, 1036440, 1151600, 1295550, 1381920, 1727400, 2072880, 2303200, 2591100, 3454800, 4145760, 5182200, 6909600, 10364400, 20728800]

約数ペア:

[(1, 20728800), (2, 10364400), (3, 6909600), (4, 5182200), (5, 4145760), (6, 3454800), (8, 2591100), (9, 2303200), (10, 2072880), (12, 1727400), (15, 1381920), (16, 1295550), (18, 1151600), (20, 1036440), (24, 863700), (25, 829152), (30, 690960), (32, 647775), (36, 575800), (40, 518220), (45, 460640), (48, 431850), (50, 414576), (60, 345480), (72, 287900), (75, 276384), (80, 259110), (90, 230320), (96, 215925), (100, 207288), (120, 172740), (144, 143950), (150, 138192), (160, 129555), (180, 115160), (200, 103644), (225, 92128), (240, 86370), (288, 71975), (300, 69096), (360, 57580), (400, 51822), (450, 46064), (480, 43185), (600, 34548), (720, 28790), (800, 25911), (900, 23032), (1200, 17274), (1440, 14395), (1800, 11516), (2400, 8637), (2879, 7200), (3600, 5758)]