90178956

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{449}}^1\times {\mathrm{797}}^1$

素因数の和:1263

約数の個数: 72

約数和(自身を含む): 261424800

約数和(自身を除く): 171245844

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 449, 797, 898, 1347, 1594, 1796, 2391, 2694, 3143, 3188, 4041, 4782, 5388, 5579, 6286, 7173, 8082, 9429, 9564, 11158, 12572, 14346, 16164, 16737, 18858, 22316, 28287, 28692, 33474, 37716, 50211, 56574, 66948, 100422, 113148, 200844, 357853, 715706, 1073559, 1431412, 2147118, 2504971, 3220677, 4294236, 5009942, 6441354, 7514913, 10019884, 12882708, 15029826, 22544739, 30059652, 45089478, 90178956]

約数ペア:

[(1, 90178956), (2, 45089478), (3, 30059652), (4, 22544739), (6, 15029826), (7, 12882708), (9, 10019884), (12, 7514913), (14, 6441354), (18, 5009942), (21, 4294236), (28, 3220677), (36, 2504971), (42, 2147118), (63, 1431412), (84, 1073559), (126, 715706), (252, 357853), (449, 200844), (797, 113148), (898, 100422), (1347, 66948), (1594, 56574), (1796, 50211), (2391, 37716), (2694, 33474), (3143, 28692), (3188, 28287), (4041, 22316), (4782, 18858), (5388, 16737), (5579, 16164), (6286, 14346), (7173, 12572), (8082, 11158), (9429, 9564)]