2820000

素因数分解:

$2^5\times 3^1\times 5^4\times {\mathrm{47}}^1$

素因数の和:80

約数の個数: 120

約数和(自身を含む): 9446976

約数和(自身を除く): 6626976

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 47, 48, 50, 60, 75, 80, 94, 96, 100, 120, 125, 141, 150, 160, 188, 200, 235, 240, 250, 282, 300, 375, 376, 400, 470, 480, 500, 564, 600, 625, 705, 750, 752, 800, 940, 1000, 1128, 1175, 1200, 1250, 1410, 1500, 1504, 1875, 1880, 2000, 2256, 2350, 2400, 2500, 2820, 3000, 3525, 3750, 3760, 4000, 4512, 4700, 5000, 5640, 5875, 6000, 7050, 7500, 7520, 9400, 10000, 11280, 11750, 12000, 14100, 15000, 17625, 18800, 20000, 22560, 23500, 28200, 29375, 30000, 35250, 37600, 47000, 56400, 58750, 60000, 70500, 88125, 94000, 112800, 117500, 141000, 176250, 188000, 235000, 282000, 352500, 470000, 564000, 705000, 940000, 1410000, 2820000]

約数ペア:

[(1, 2820000), (2, 1410000), (3, 940000), (4, 705000), (5, 564000), (6, 470000), (8, 352500), (10, 282000), (12, 235000), (15, 188000), (16, 176250), (20, 141000), (24, 117500), (25, 112800), (30, 94000), (32, 88125), (40, 70500), (47, 60000), (48, 58750), (50, 56400), (60, 47000), (75, 37600), (80, 35250), (94, 30000), (96, 29375), (100, 28200), (120, 23500), (125, 22560), (141, 20000), (150, 18800), (160, 17625), (188, 15000), (200, 14100), (235, 12000), (240, 11750), (250, 11280), (282, 10000), (300, 9400), (375, 7520), (376, 7500), (400, 7050), (470, 6000), (480, 5875), (500, 5640), (564, 5000), (600, 4700), (625, 4512), (705, 4000), (750, 3760), (752, 3750), (800, 3525), (940, 3000), (1000, 2820), (1128, 2500), (1175, 2400), (1200, 2350), (1250, 2256), (1410, 2000), (1500, 1880), (1504, 1875)]