20707200

素因数分解:

$2^7\times 3^2\times 5^2\times {\mathrm{719}}^1$

素因数の和:749

約数の個数: 144

約数和(自身を含む): 73990800

約数和(自身を除く): 53283600

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, 64, 72, 75, 80, 90, 96, 100, 120, 128, 144, 150, 160, 180, 192, 200, 225, 240, 288, 300, 320, 360, 384, 400, 450, 480, 576, 600, 640, 719, 720, 800, 900, 960, 1152, 1200, 1438, 1440, 1600, 1800, 1920, 2157, 2400, 2876, 2880, 3200, 3595, 3600, 4314, 4800, 5752, 5760, 6471, 7190, 7200, 8628, 9600, 10785, 11504, 12942, 14380, 14400, 17256, 17975, 21570, 23008, 25884, 28760, 28800, 32355, 34512, 35950, 43140, 46016, 51768, 53925, 57520, 64710, 69024, 71900, 86280, 92032, 103536, 107850, 115040, 129420, 138048, 143800, 161775, 172560, 207072, 215700, 230080, 258840, 276096, 287600, 323550, 345120, 414144, 431400, 460160, 517680, 575200, 647100, 690240, 828288, 862800, 1035360, 1150400, 1294200, 1380480, 1725600, 2070720, 2300800, 2588400, 3451200, 4141440, 5176800, 6902400, 10353600, 20707200]

約数ペア:

[(1, 20707200), (2, 10353600), (3, 6902400), (4, 5176800), (5, 4141440), (6, 3451200), (8, 2588400), (9, 2300800), (10, 2070720), (12, 1725600), (15, 1380480), (16, 1294200), (18, 1150400), (20, 1035360), (24, 862800), (25, 828288), (30, 690240), (32, 647100), (36, 575200), (40, 517680), (45, 460160), (48, 431400), (50, 414144), (60, 345120), (64, 323550), (72, 287600), (75, 276096), (80, 258840), (90, 230080), (96, 215700), (100, 207072), (120, 172560), (128, 161775), (144, 143800), (150, 138048), (160, 129420), (180, 115040), (192, 107850), (200, 103536), (225, 92032), (240, 86280), (288, 71900), (300, 69024), (320, 64710), (360, 57520), (384, 53925), (400, 51768), (450, 46016), (480, 43140), (576, 35950), (600, 34512), (640, 32355), (719, 28800), (720, 28760), (800, 25884), (900, 23008), (960, 21570), (1152, 17975), (1200, 17256), (1438, 14400), (1440, 14380), (1600, 12942), (1800, 11504), (1920, 10785), (2157, 9600), (2400, 8628), (2876, 7200), (2880, 7190), (3200, 6471), (3595, 5760), (3600, 5752), (4314, 4800)]