212787180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{839}}^1\times {\mathrm{1409}}^1$

素因数の和:2263

約数の個数: 72

約数和(自身を含む): 646682400

約数和(自身を除く): 433895220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 839, 1409, 1678, 2517, 2818, 3356, 4195, 4227, 5034, 5636, 7045, 7551, 8390, 8454, 10068, 12585, 12681, 14090, 15102, 16780, 16908, 21135, 25170, 25362, 28180, 30204, 37755, 42270, 50340, 50724, 63405, 75510, 84540, 126810, 151020, 253620, 1182151, 2364302, 3546453, 4728604, 5910755, 7092906, 10639359, 11821510, 14185812, 17732265, 21278718, 23643020, 35464530, 42557436, 53196795, 70929060, 106393590, 212787180]

約数ペア:

[(1, 212787180), (2, 106393590), (3, 70929060), (4, 53196795), (5, 42557436), (6, 35464530), (9, 23643020), (10, 21278718), (12, 17732265), (15, 14185812), (18, 11821510), (20, 10639359), (30, 7092906), (36, 5910755), (45, 4728604), (60, 3546453), (90, 2364302), (180, 1182151), (839, 253620), (1409, 151020), (1678, 126810), (2517, 84540), (2818, 75510), (3356, 63405), (4195, 50724), (4227, 50340), (5034, 42270), (5636, 37755), (7045, 30204), (7551, 28180), (8390, 25362), (8454, 25170), (10068, 21135), (12585, 16908), (12681, 16780), (14090, 15102)]