2580000

素因数分解:

$2^5\times 3^1\times 5^4\times {\mathrm{43}}^1$

素因数の和:76

約数の個数: 120

約数和(自身を含む): 8659728

約数和(自身を除く): 6079728

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 43, 48, 50, 60, 75, 80, 86, 96, 100, 120, 125, 129, 150, 160, 172, 200, 215, 240, 250, 258, 300, 344, 375, 400, 430, 480, 500, 516, 600, 625, 645, 688, 750, 800, 860, 1000, 1032, 1075, 1200, 1250, 1290, 1376, 1500, 1720, 1875, 2000, 2064, 2150, 2400, 2500, 2580, 3000, 3225, 3440, 3750, 4000, 4128, 4300, 5000, 5160, 5375, 6000, 6450, 6880, 7500, 8600, 10000, 10320, 10750, 12000, 12900, 15000, 16125, 17200, 20000, 20640, 21500, 25800, 26875, 30000, 32250, 34400, 43000, 51600, 53750, 60000, 64500, 80625, 86000, 103200, 107500, 129000, 161250, 172000, 215000, 258000, 322500, 430000, 516000, 645000, 860000, 1290000, 2580000]

約数ペア:

[(1, 2580000), (2, 1290000), (3, 860000), (4, 645000), (5, 516000), (6, 430000), (8, 322500), (10, 258000), (12, 215000), (15, 172000), (16, 161250), (20, 129000), (24, 107500), (25, 103200), (30, 86000), (32, 80625), (40, 64500), (43, 60000), (48, 53750), (50, 51600), (60, 43000), (75, 34400), (80, 32250), (86, 30000), (96, 26875), (100, 25800), (120, 21500), (125, 20640), (129, 20000), (150, 17200), (160, 16125), (172, 15000), (200, 12900), (215, 12000), (240, 10750), (250, 10320), (258, 10000), (300, 8600), (344, 7500), (375, 6880), (400, 6450), (430, 6000), (480, 5375), (500, 5160), (516, 5000), (600, 4300), (625, 4128), (645, 4000), (688, 3750), (750, 3440), (800, 3225), (860, 3000), (1000, 2580), (1032, 2500), (1075, 2400), (1200, 2150), (1250, 2064), (1290, 2000), (1376, 1875), (1500, 1720)]