256572506205

素因数分解:

$3^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{302971}}^1$

素因数の和:303049

約数の個数: 96

約数和(自身を含む): 500238281088

約数和(自身を除く): 243665774883

約数列:

[1, 3, 5, 9, 15, 17, 27, 41, 45, 51, 81, 85, 123, 135, 153, 205, 243, 255, 369, 405, 459, 615, 697, 765, 1107, 1215, 1377, 1845, 2091, 2295, 3321, 3485, 4131, 5535, 6273, 6885, 9963, 10455, 16605, 18819, 20655, 31365, 49815, 56457, 94095, 169371, 282285, 302971, 846855, 908913, 1514855, 2726739, 4544565, 5150507, 8180217, 12421811, 13633695, 15451521, 24540651, 25752535, 37265433, 40901085, 46354563, 62109055, 73621953, 77257605, 111796299, 122703255, 139063689, 186327165, 211170787, 231772815, 335388897, 368109765, 417191067, 558981495, 633512361, 695318445, 1006166691, 1055853935, 1251573201, 1676944485, 1900537083, 2085955335, 3018500073, 3167561805, 5030833455, 5701611249, 6257866005, 9502685415, 15092500365, 17104833747, 28508056245, 51314501241, 85524168735, 256572506205]

約数ペア:

[(1, 256572506205), (3, 85524168735), (5, 51314501241), (9, 28508056245), (15, 17104833747), (17, 15092500365), (27, 9502685415), (41, 6257866005), (45, 5701611249), (51, 5030833455), (81, 3167561805), (85, 3018500073), (123, 2085955335), (135, 1900537083), (153, 1676944485), (205, 1251573201), (243, 1055853935), (255, 1006166691), (369, 695318445), (405, 633512361), (459, 558981495), (615, 417191067), (697, 368109765), (765, 335388897), (1107, 231772815), (1215, 211170787), (1377, 186327165), (1845, 139063689), (2091, 122703255), (2295, 111796299), (3321, 77257605), (3485, 73621953), (4131, 62109055), (5535, 46354563), (6273, 40901085), (6885, 37265433), (9963, 25752535), (10455, 24540651), (16605, 15451521), (18819, 13633695), (20655, 12421811), (31365, 8180217), (49815, 5150507), (56457, 4544565), (94095, 2726739), (169371, 1514855), (282285, 908913), (302971, 846855)]