20154000

素因数分解:

$2^4\times 3^1\times 5^3\times {\mathrm{3359}}^1$

素因数の和:3385

約数の個数: 80

約数和(自身を含む): 64995840

約数和(自身を除く): 44841840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 120, 125, 150, 200, 240, 250, 300, 375, 400, 500, 600, 750, 1000, 1200, 1500, 2000, 3000, 3359, 6000, 6718, 10077, 13436, 16795, 20154, 26872, 33590, 40308, 50385, 53744, 67180, 80616, 83975, 100770, 134360, 161232, 167950, 201540, 251925, 268720, 335900, 403080, 419875, 503850, 671800, 806160, 839750, 1007700, 1259625, 1343600, 1679500, 2015400, 2519250, 3359000, 4030800, 5038500, 6718000, 10077000, 20154000]

約数ペア:

[(1, 20154000), (2, 10077000), (3, 6718000), (4, 5038500), (5, 4030800), (6, 3359000), (8, 2519250), (10, 2015400), (12, 1679500), (15, 1343600), (16, 1259625), (20, 1007700), (24, 839750), (25, 806160), (30, 671800), (40, 503850), (48, 419875), (50, 403080), (60, 335900), (75, 268720), (80, 251925), (100, 201540), (120, 167950), (125, 161232), (150, 134360), (200, 100770), (240, 83975), (250, 80616), (300, 67180), (375, 53744), (400, 50385), (500, 40308), (600, 33590), (750, 26872), (1000, 20154), (1200, 16795), (1500, 13436), (2000, 10077), (3000, 6718), (3359, 6000)]