12378520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4019}}^1$

素因数の和:4048

約数の個数: 64

約数和(自身を含む): 34732800

約数和(自身を除く): 22354280

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 4019, 8038, 16076, 20095, 28133, 32152, 40190, 44209, 56266, 80380, 88418, 112532, 140665, 160760, 176836, 221045, 225064, 281330, 309463, 353672, 442090, 562660, 618926, 884180, 1125320, 1237852, 1547315, 1768360, 2475704, 3094630, 6189260, 12378520]

約数ペア:

[(1, 12378520), (2, 6189260), (4, 3094630), (5, 2475704), (7, 1768360), (8, 1547315), (10, 1237852), (11, 1125320), (14, 884180), (20, 618926), (22, 562660), (28, 442090), (35, 353672), (40, 309463), (44, 281330), (55, 225064), (56, 221045), (70, 176836), (77, 160760), (88, 140665), (110, 112532), (140, 88418), (154, 80380), (220, 56266), (280, 44209), (308, 40190), (385, 32152), (440, 28133), (616, 20095), (770, 16076), (1540, 8038), (3080, 4019)]