1285800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{2143}}^1$

素因数の和:2162

約数の個数: 48

約数和(自身を含む): 3987840

約数和(自身を除く): 2702040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 150, 200, 300, 600, 2143, 4286, 6429, 8572, 10715, 12858, 17144, 21430, 25716, 32145, 42860, 51432, 53575, 64290, 85720, 107150, 128580, 160725, 214300, 257160, 321450, 428600, 642900, 1285800]

約数ペア:

[(1, 1285800), (2, 642900), (3, 428600), (4, 321450), (5, 257160), (6, 214300), (8, 160725), (10, 128580), (12, 107150), (15, 85720), (20, 64290), (24, 53575), (25, 51432), (30, 42860), (40, 32145), (50, 25716), (60, 21430), (75, 17144), (100, 12858), (120, 10715), (150, 8572), (200, 6429), (300, 4286), (600, 2143)]