220720752

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{218969}}^1$

素因数の和:218990

約数の個数: 60

約数和(自身を含む): 705959280

約数和(自身を除く): 485238528

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 336, 504, 1008, 218969, 437938, 656907, 875876, 1313814, 1532783, 1751752, 1970721, 2627628, 3065566, 3503504, 3941442, 4598349, 5255256, 6131132, 7882884, 9196698, 10510512, 12262264, 13795047, 15765768, 18393396, 24524528, 27590094, 31531536, 36786792, 55180188, 73573584, 110360376, 220720752]

約数ペア:

[(1, 220720752), (2, 110360376), (3, 73573584), (4, 55180188), (6, 36786792), (7, 31531536), (8, 27590094), (9, 24524528), (12, 18393396), (14, 15765768), (16, 13795047), (18, 12262264), (21, 10510512), (24, 9196698), (28, 7882884), (36, 6131132), (42, 5255256), (48, 4598349), (56, 3941442), (63, 3503504), (72, 3065566), (84, 2627628), (112, 1970721), (126, 1751752), (144, 1532783), (168, 1313814), (252, 875876), (336, 656907), (504, 437938), (1008, 218969)]