642747168

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{318823}}^1$

素因数の和:318846

約数の個数: 72

約数和(自身を含む): 2088934848

約数和(自身を除く): 1446187680

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 318823, 637646, 956469, 1275292, 1912938, 2231761, 2550584, 2869407, 3825876, 4463522, 5101168, 5738814, 6695283, 7651752, 8927044, 10202336, 11477628, 13390566, 15303504, 17854088, 20085849, 22955256, 26781132, 30607008, 35708176, 40171698, 45910512, 53562264, 71416352, 80343396, 91821024, 107124528, 160686792, 214249056, 321373584, 642747168]

約数ペア:

[(1, 642747168), (2, 321373584), (3, 214249056), (4, 160686792), (6, 107124528), (7, 91821024), (8, 80343396), (9, 71416352), (12, 53562264), (14, 45910512), (16, 40171698), (18, 35708176), (21, 30607008), (24, 26781132), (28, 22955256), (32, 20085849), (36, 17854088), (42, 15303504), (48, 13390566), (56, 11477628), (63, 10202336), (72, 8927044), (84, 7651752), (96, 6695283), (112, 5738814), (126, 5101168), (144, 4463522), (168, 3825876), (224, 2869407), (252, 2550584), (288, 2231761), (336, 1912938), (504, 1275292), (672, 956469), (1008, 637646), (2016, 318823)]