28497280

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{6361}}^1$

素因数の和:6387

約数の個数: 64

約数和(自身を含む): 77870880

約数和(自身を除く): 49373600

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, 6361, 12722, 25444, 31805, 44527, 50888, 63610, 89054, 101776, 127220, 178108, 203552, 222635, 254440, 356216, 407104, 445270, 508880, 712432, 814208, 890540, 1017760, 1424864, 1781080, 2035520, 2849728, 3562160, 4071040, 5699456, 7124320, 14248640, 28497280]

約数ペア:

[(1, 28497280), (2, 14248640), (4, 7124320), (5, 5699456), (7, 4071040), (8, 3562160), (10, 2849728), (14, 2035520), (16, 1781080), (20, 1424864), (28, 1017760), (32, 890540), (35, 814208), (40, 712432), (56, 508880), (64, 445270), (70, 407104), (80, 356216), (112, 254440), (128, 222635), (140, 203552), (160, 178108), (224, 127220), (280, 101776), (320, 89054), (448, 63610), (560, 50888), (640, 44527), (896, 31805), (1120, 25444), (2240, 12722), (4480, 6361)]