212608620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{168737}}^1$

素因数の和:168759

約数の個数: 72

約数和(自身を含む): 737047584

約数和(自身を除く): 524438964

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, 168737, 337474, 506211, 674948, 843685, 1012422, 1181159, 1518633, 1687370, 2024844, 2362318, 2531055, 3037266, 3374740, 3543477, 4724636, 5062110, 5905795, 6074532, 7086954, 7593165, 10124220, 10630431, 11811590, 14173908, 15186330, 17717385, 21260862, 23623180, 30372660, 35434770, 42521724, 53152155, 70869540, 106304310, 212608620]

約数ペア:

[(1, 212608620), (2, 106304310), (3, 70869540), (4, 53152155), (5, 42521724), (6, 35434770), (7, 30372660), (9, 23623180), (10, 21260862), (12, 17717385), (14, 15186330), (15, 14173908), (18, 11811590), (20, 10630431), (21, 10124220), (28, 7593165), (30, 7086954), (35, 6074532), (36, 5905795), (42, 5062110), (45, 4724636), (60, 3543477), (63, 3374740), (70, 3037266), (84, 2531055), (90, 2362318), (105, 2024844), (126, 1687370), (140, 1518633), (180, 1181159), (210, 1012422), (252, 843685), (315, 674948), (420, 506211), (630, 337474), (1260, 168737)]