18915360

素因数分解:

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

素因数の和:426

約数の個数: 96

約数和(自身を含む): 60201792

約数和(自身を除く): 41286432

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 157, 160, 240, 251, 314, 471, 480, 502, 628, 753, 785, 942, 1004, 1255, 1256, 1506, 1570, 1884, 2008, 2355, 2510, 2512, 3012, 3140, 3765, 3768, 4016, 4710, 5020, 5024, 6024, 6280, 7530, 7536, 8032, 9420, 10040, 12048, 12560, 15060, 15072, 18840, 20080, 24096, 25120, 30120, 37680, 39407, 40160, 60240, 75360, 78814, 118221, 120480, 157628, 197035, 236442, 315256, 394070, 472884, 591105, 630512, 788140, 945768, 1182210, 1261024, 1576280, 1891536, 2364420, 3152560, 3783072, 4728840, 6305120, 9457680, 18915360]

約数ペア:

[(1, 18915360), (2, 9457680), (3, 6305120), (4, 4728840), (5, 3783072), (6, 3152560), (8, 2364420), (10, 1891536), (12, 1576280), (15, 1261024), (16, 1182210), (20, 945768), (24, 788140), (30, 630512), (32, 591105), (40, 472884), (48, 394070), (60, 315256), (80, 236442), (96, 197035), (120, 157628), (157, 120480), (160, 118221), (240, 78814), (251, 75360), (314, 60240), (471, 40160), (480, 39407), (502, 37680), (628, 30120), (753, 25120), (785, 24096), (942, 20080), (1004, 18840), (1255, 15072), (1256, 15060), (1506, 12560), (1570, 12048), (1884, 10040), (2008, 9420), (2355, 8032), (2510, 7536), (2512, 7530), (3012, 6280), (3140, 6024), (3765, 5024), (3768, 5020), (4016, 4710)]