256613904

素因数分解:

$2^4\times 3^2\times {\mathrm{109}}^1\times {\mathrm{16349}}^1$

素因数の和:16472

約数の個数: 60

約数和(自身を含む): 724795500

約数和(自身を除く): 468181596

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 109, 144, 218, 327, 436, 654, 872, 981, 1308, 1744, 1962, 2616, 3924, 5232, 7848, 15696, 16349, 32698, 49047, 65396, 98094, 130792, 147141, 196188, 261584, 294282, 392376, 588564, 784752, 1177128, 1782041, 2354256, 3564082, 5346123, 7128164, 10692246, 14256328, 16038369, 21384492, 28512656, 32076738, 42768984, 64153476, 85537968, 128306952, 256613904]

約数ペア:

[(1, 256613904), (2, 128306952), (3, 85537968), (4, 64153476), (6, 42768984), (8, 32076738), (9, 28512656), (12, 21384492), (16, 16038369), (18, 14256328), (24, 10692246), (36, 7128164), (48, 5346123), (72, 3564082), (109, 2354256), (144, 1782041), (218, 1177128), (327, 784752), (436, 588564), (654, 392376), (872, 294282), (981, 261584), (1308, 196188), (1744, 147141), (1962, 130792), (2616, 98094), (3924, 65396), (5232, 49047), (7848, 32698), (15696, 16349)]