6887440

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{251}}^1$

素因数の和:285

約数の個数: 80

約数和(自身を含む): 18748800

約数和(自身を除く): 11861360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 251, 280, 343, 392, 490, 502, 560, 686, 784, 980, 1004, 1255, 1372, 1715, 1757, 1960, 2008, 2510, 2744, 3430, 3514, 3920, 4016, 5020, 5488, 6860, 7028, 8785, 10040, 12299, 13720, 14056, 17570, 20080, 24598, 27440, 28112, 35140, 49196, 61495, 70280, 86093, 98392, 122990, 140560, 172186, 196784, 245980, 344372, 430465, 491960, 688744, 860930, 983920, 1377488, 1721860, 3443720, 6887440]

約数ペア:

[(1, 6887440), (2, 3443720), (4, 1721860), (5, 1377488), (7, 983920), (8, 860930), (10, 688744), (14, 491960), (16, 430465), (20, 344372), (28, 245980), (35, 196784), (40, 172186), (49, 140560), (56, 122990), (70, 98392), (80, 86093), (98, 70280), (112, 61495), (140, 49196), (196, 35140), (245, 28112), (251, 27440), (280, 24598), (343, 20080), (392, 17570), (490, 14056), (502, 13720), (560, 12299), (686, 10040), (784, 8785), (980, 7028), (1004, 6860), (1255, 5488), (1372, 5020), (1715, 4016), (1757, 3920), (1960, 3514), (2008, 3430), (2510, 2744)]