4728840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{251}}^1$

素因数の和:422

約数の個数: 64

約数和(自身を含む): 14333760

約数和(自身を除く): 9604920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 157, 251, 314, 471, 502, 628, 753, 785, 942, 1004, 1255, 1256, 1506, 1570, 1884, 2008, 2355, 2510, 3012, 3140, 3765, 3768, 4710, 5020, 6024, 6280, 7530, 9420, 10040, 15060, 18840, 30120, 39407, 78814, 118221, 157628, 197035, 236442, 315256, 394070, 472884, 591105, 788140, 945768, 1182210, 1576280, 2364420, 4728840]

約数ペア:

[(1, 4728840), (2, 2364420), (3, 1576280), (4, 1182210), (5, 945768), (6, 788140), (8, 591105), (10, 472884), (12, 394070), (15, 315256), (20, 236442), (24, 197035), (30, 157628), (40, 118221), (60, 78814), (120, 39407), (157, 30120), (251, 18840), (314, 15060), (471, 10040), (502, 9420), (628, 7530), (753, 6280), (785, 6024), (942, 5020), (1004, 4710), (1255, 3768), (1256, 3765), (1506, 3140), (1570, 3012), (1884, 2510), (2008, 2355)]