247802520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1879}}^1$

素因数の和:2057

約数の個数: 128

約数和(自身を含む): 855475200

約数和(自身を除く): 607672680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 157, 168, 210, 280, 314, 420, 471, 628, 785, 840, 942, 1099, 1256, 1570, 1879, 1884, 2198, 2355, 3140, 3297, 3758, 3768, 4396, 4710, 5495, 5637, 6280, 6594, 7516, 8792, 9395, 9420, 10990, 11274, 13153, 13188, 15032, 16485, 18790, 18840, 21980, 22548, 26306, 26376, 28185, 32970, 37580, 39459, 43960, 45096, 52612, 56370, 65765, 65940, 75160, 78918, 105224, 112740, 131530, 131880, 157836, 197295, 225480, 263060, 295003, 315672, 394590, 526120, 590006, 789180, 885009, 1180012, 1475015, 1578360, 1770018, 2065021, 2360024, 2950030, 3540036, 4130042, 4425045, 5900060, 6195063, 7080072, 8260084, 8850090, 10325105, 11800120, 12390126, 16520168, 17700180, 20650210, 24780252, 30975315, 35400360, 41300420, 49560504, 61950630, 82600840, 123901260, 247802520]

約数ペア:

[(1, 247802520), (2, 123901260), (3, 82600840), (4, 61950630), (5, 49560504), (6, 41300420), (7, 35400360), (8, 30975315), (10, 24780252), (12, 20650210), (14, 17700180), (15, 16520168), (20, 12390126), (21, 11800120), (24, 10325105), (28, 8850090), (30, 8260084), (35, 7080072), (40, 6195063), (42, 5900060), (56, 4425045), (60, 4130042), (70, 3540036), (84, 2950030), (105, 2360024), (120, 2065021), (140, 1770018), (157, 1578360), (168, 1475015), (210, 1180012), (280, 885009), (314, 789180), (420, 590006), (471, 526120), (628, 394590), (785, 315672), (840, 295003), (942, 263060), (1099, 225480), (1256, 197295), (1570, 157836), (1879, 131880), (1884, 131530), (2198, 112740), (2355, 105224), (3140, 78918), (3297, 75160), (3758, 65940), (3768, 65765), (4396, 56370), (4710, 52612), (5495, 45096), (5637, 43960), (6280, 39459), (6594, 37580), (7516, 32970), (8792, 28185), (9395, 26376), (9420, 26306), (10990, 22548), (11274, 21980), (13153, 18840), (13188, 18790), (15032, 16485)]