78288405

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{347}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 137557440

約数和(自身を除く): 59269035

約数列:

[1, 3, 5, 13, 15, 39, 65, 89, 169, 195, 267, 347, 445, 507, 845, 1041, 1157, 1335, 1735, 2535, 3471, 4511, 5205, 5785, 13533, 15041, 17355, 22555, 30883, 45123, 58643, 67665, 75205, 92649, 154415, 175929, 225615, 293215, 401479, 463245, 879645, 1204437, 2007395, 5219227, 6022185, 15657681, 26096135, 78288405]

約数ペア:

[(1, 78288405), (3, 26096135), (5, 15657681), (13, 6022185), (15, 5219227), (39, 2007395), (65, 1204437), (89, 879645), (169, 463245), (195, 401479), (267, 293215), (347, 225615), (445, 175929), (507, 154415), (845, 92649), (1041, 75205), (1157, 67665), (1335, 58643), (1735, 45123), (2535, 30883), (3471, 22555), (4511, 17355), (5205, 15041), (5785, 13533)]