243180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{193}}^1$

素因数の和:215

約数の個数: 72

約数和(自身を含む): 847392

約数和(自身を除く): 604212

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, 193, 210, 252, 315, 386, 420, 579, 630, 772, 965, 1158, 1260, 1351, 1737, 1930, 2316, 2702, 2895, 3474, 3860, 4053, 5404, 5790, 6755, 6948, 8106, 8685, 11580, 12159, 13510, 16212, 17370, 20265, 24318, 27020, 34740, 40530, 48636, 60795, 81060, 121590, 243180]

約数ペア:

[(1, 243180), (2, 121590), (3, 81060), (4, 60795), (5, 48636), (6, 40530), (7, 34740), (9, 27020), (10, 24318), (12, 20265), (14, 17370), (15, 16212), (18, 13510), (20, 12159), (21, 11580), (28, 8685), (30, 8106), (35, 6948), (36, 6755), (42, 5790), (45, 5404), (60, 4053), (63, 3860), (70, 3474), (84, 2895), (90, 2702), (105, 2316), (126, 1930), (140, 1737), (180, 1351), (193, 1260), (210, 1158), (252, 965), (315, 772), (386, 630), (420, 579)]