12817280

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{2861}}^1$

素因数の和:2887

約数の個数: 64

約数和(自身を含む): 35030880

約数和(自身を除く): 22213600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 2861, 4480, 5722, 11444, 14305, 20027, 22888, 28610, 40054, 45776, 57220, 80108, 91552, 100135, 114440, 160216, 183104, 200270, 228880, 320432, 366208, 400540, 457760, 640864, 801080, 915520, 1281728, 1602160, 1831040, 2563456, 3204320, 6408640, 12817280]

約数ペア:

[(1, 12817280), (2, 6408640), (4, 3204320), (5, 2563456), (7, 1831040), (8, 1602160), (10, 1281728), (14, 915520), (16, 801080), (20, 640864), (28, 457760), (32, 400540), (35, 366208), (40, 320432), (56, 228880), (64, 200270), (70, 183104), (80, 160216), (112, 114440), (128, 100135), (140, 91552), (160, 80108), (224, 57220), (280, 45776), (320, 40054), (448, 28610), (560, 22888), (640, 20027), (896, 14305), (1120, 11444), (2240, 5722), (2861, 4480)]