28273280

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{6311}}^1$

素因数の和:6337

約数の個数: 64

約数和(自身を含む): 77258880

約数和(自身を除く): 48985600

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, 4480, 6311, 12622, 25244, 31555, 44177, 50488, 63110, 88354, 100976, 126220, 176708, 201952, 220885, 252440, 353416, 403904, 441770, 504880, 706832, 807808, 883540, 1009760, 1413664, 1767080, 2019520, 2827328, 3534160, 4039040, 5654656, 7068320, 14136640, 28273280]

約数ペア:

[(1, 28273280), (2, 14136640), (4, 7068320), (5, 5654656), (7, 4039040), (8, 3534160), (10, 2827328), (14, 2019520), (16, 1767080), (20, 1413664), (28, 1009760), (32, 883540), (35, 807808), (40, 706832), (56, 504880), (64, 441770), (70, 403904), (80, 353416), (112, 252440), (128, 220885), (140, 201952), (160, 176708), (224, 126220), (280, 100976), (320, 88354), (448, 63110), (560, 50488), (640, 44177), (896, 31555), (1120, 25244), (2240, 12622), (4480, 6311)]