1245000

素因数分解:

$2^3\times 3^1\times 5^4\times {\mathrm{83}}^1$

素因数の和:112

約数の個数: 80

約数和(自身を含む): 3936240

約数和(自身を除く): 2691240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 83, 100, 120, 125, 150, 166, 200, 249, 250, 300, 332, 375, 415, 498, 500, 600, 625, 664, 750, 830, 996, 1000, 1245, 1250, 1500, 1660, 1875, 1992, 2075, 2490, 2500, 3000, 3320, 3750, 4150, 4980, 5000, 6225, 7500, 8300, 9960, 10375, 12450, 15000, 16600, 20750, 24900, 31125, 41500, 49800, 51875, 62250, 83000, 103750, 124500, 155625, 207500, 249000, 311250, 415000, 622500, 1245000]

約数ペア:

[(1, 1245000), (2, 622500), (3, 415000), (4, 311250), (5, 249000), (6, 207500), (8, 155625), (10, 124500), (12, 103750), (15, 83000), (20, 62250), (24, 51875), (25, 49800), (30, 41500), (40, 31125), (50, 24900), (60, 20750), (75, 16600), (83, 15000), (100, 12450), (120, 10375), (125, 9960), (150, 8300), (166, 7500), (200, 6225), (249, 5000), (250, 4980), (300, 4150), (332, 3750), (375, 3320), (415, 3000), (498, 2500), (500, 2490), (600, 2075), (625, 1992), (664, 1875), (750, 1660), (830, 1500), (996, 1250), (1000, 1245)]