210745620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{751}}^1\times {\mathrm{1559}}^1$

素因数の和:2325

約数の個数: 72

約数和(自身を含む): 640523520

約数和(自身を除く): 429777900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 751, 1502, 1559, 2253, 3004, 3118, 3755, 4506, 4677, 6236, 6759, 7510, 7795, 9012, 9354, 11265, 13518, 14031, 15020, 15590, 18708, 22530, 23385, 27036, 28062, 31180, 33795, 45060, 46770, 56124, 67590, 70155, 93540, 135180, 140310, 280620, 1170809, 2341618, 3512427, 4683236, 5854045, 7024854, 10537281, 11708090, 14049708, 17562135, 21074562, 23416180, 35124270, 42149124, 52686405, 70248540, 105372810, 210745620]

約数ペア:

[(1, 210745620), (2, 105372810), (3, 70248540), (4, 52686405), (5, 42149124), (6, 35124270), (9, 23416180), (10, 21074562), (12, 17562135), (15, 14049708), (18, 11708090), (20, 10537281), (30, 7024854), (36, 5854045), (45, 4683236), (60, 3512427), (90, 2341618), (180, 1170809), (751, 280620), (1502, 140310), (1559, 135180), (2253, 93540), (3004, 70155), (3118, 67590), (3755, 56124), (4506, 46770), (4677, 45060), (6236, 33795), (6759, 31180), (7510, 28062), (7795, 27036), (9012, 23385), (9354, 22530), (11265, 18708), (13518, 15590), (14031, 15020)]