28983780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{23003}}^1$

素因数の和:23025

約数の個数: 72

約数和(自身を含む): 100481472

約数和(自身を除く): 71497692

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 23003, 46006, 69009, 92012, 115015, 138018, 161021, 207027, 230030, 276036, 322042, 345045, 414054, 460060, 483063, 644084, 690090, 805105, 828108, 966126, 1035135, 1380180, 1449189, 1610210, 1932252, 2070270, 2415315, 2898378, 3220420, 4140540, 4830630, 5796756, 7245945, 9661260, 14491890, 28983780]

約数ペア:

[(1, 28983780), (2, 14491890), (3, 9661260), (4, 7245945), (5, 5796756), (6, 4830630), (7, 4140540), (9, 3220420), (10, 2898378), (12, 2415315), (14, 2070270), (15, 1932252), (18, 1610210), (20, 1449189), (21, 1380180), (28, 1035135), (30, 966126), (35, 828108), (36, 805105), (42, 690090), (45, 644084), (60, 483063), (63, 460060), (70, 414054), (84, 345045), (90, 322042), (105, 276036), (126, 230030), (140, 207027), (180, 161021), (210, 138018), (252, 115015), (315, 92012), (420, 69009), (630, 46006), (1260, 23003)]