18840000

素因数分解:

$2^6\times 3^1\times 5^4\times {\mathrm{157}}^1$

素因数の和:192

約数の個数: 140

約数和(自身を含む): 62686184

約数和(自身を除く): 43846184

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, 125, 150, 157, 160, 192, 200, 240, 250, 300, 314, 320, 375, 400, 471, 480, 500, 600, 625, 628, 750, 785, 800, 942, 960, 1000, 1200, 1250, 1256, 1500, 1570, 1600, 1875, 1884, 2000, 2355, 2400, 2500, 2512, 3000, 3140, 3750, 3768, 3925, 4000, 4710, 4800, 5000, 5024, 6000, 6280, 7500, 7536, 7850, 8000, 9420, 10000, 10048, 11775, 12000, 12560, 15000, 15072, 15700, 18840, 19625, 20000, 23550, 24000, 25120, 30000, 30144, 31400, 37680, 39250, 40000, 47100, 50240, 58875, 60000, 62800, 75360, 78500, 94200, 98125, 117750, 120000, 125600, 150720, 157000, 188400, 196250, 235500, 251200, 294375, 314000, 376800, 392500, 471000, 588750, 628000, 753600, 785000, 942000, 1177500, 1256000, 1570000, 1884000, 2355000, 3140000, 3768000, 4710000, 6280000, 9420000, 18840000]

約数ペア:

[(1, 18840000), (2, 9420000), (3, 6280000), (4, 4710000), (5, 3768000), (6, 3140000), (8, 2355000), (10, 1884000), (12, 1570000), (15, 1256000), (16, 1177500), (20, 942000), (24, 785000), (25, 753600), (30, 628000), (32, 588750), (40, 471000), (48, 392500), (50, 376800), (60, 314000), (64, 294375), (75, 251200), (80, 235500), (96, 196250), (100, 188400), (120, 157000), (125, 150720), (150, 125600), (157, 120000), (160, 117750), (192, 98125), (200, 94200), (240, 78500), (250, 75360), (300, 62800), (314, 60000), (320, 58875), (375, 50240), (400, 47100), (471, 40000), (480, 39250), (500, 37680), (600, 31400), (625, 30144), (628, 30000), (750, 25120), (785, 24000), (800, 23550), (942, 20000), (960, 19625), (1000, 18840), (1200, 15700), (1250, 15072), (1256, 15000), (1500, 12560), (1570, 12000), (1600, 11775), (1875, 10048), (1884, 10000), (2000, 9420), (2355, 8000), (2400, 7850), (2500, 7536), (2512, 7500), (3000, 6280), (3140, 6000), (3750, 5024), (3768, 5000), (3925, 4800), (4000, 4710)]