71855826945

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1\times {\mathrm{66499}}^1$

素因数の和:66806

約数の個数: 64

約数和(自身を含む): 135136512000

約数和(自身を除く): 63280685055

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 105, 123, 205, 251, 287, 615, 753, 861, 1255, 1435, 1757, 3765, 4305, 5271, 8785, 10291, 26355, 30873, 51455, 66499, 72037, 154365, 199497, 216111, 332495, 360185, 465493, 997485, 1080555, 1396479, 2327465, 2726459, 6982395, 8179377, 13632295, 16691249, 19085213, 40896885, 50073747, 57255639, 83456245, 95426065, 116838743, 250368735, 286278195, 350516229, 584193715, 684341209, 1752581145, 2053023627, 3421706045, 4790388463, 10265118135, 14371165389, 23951942315, 71855826945]

約数ペア:

[(1, 71855826945), (3, 23951942315), (5, 14371165389), (7, 10265118135), (15, 4790388463), (21, 3421706045), (35, 2053023627), (41, 1752581145), (105, 684341209), (123, 584193715), (205, 350516229), (251, 286278195), (287, 250368735), (615, 116838743), (753, 95426065), (861, 83456245), (1255, 57255639), (1435, 50073747), (1757, 40896885), (3765, 19085213), (4305, 16691249), (5271, 13632295), (8785, 8179377), (10291, 6982395), (26355, 2726459), (30873, 2327465), (51455, 1396479), (66499, 1080555), (72037, 997485), (154365, 465493), (199497, 360185), (216111, 332495)]