64639520

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1933}}^1$

素因数の和:1978

約数の個数: 96

約数和(自身を含む): 175452480

約数和(自身を除く): 110812960

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 160, 176, 190, 209, 220, 304, 352, 380, 418, 440, 608, 760, 836, 880, 1045, 1520, 1672, 1760, 1933, 2090, 3040, 3344, 3866, 4180, 6688, 7732, 8360, 9665, 15464, 16720, 19330, 21263, 30928, 33440, 36727, 38660, 42526, 61856, 73454, 77320, 85052, 106315, 146908, 154640, 170104, 183635, 212630, 293816, 309280, 340208, 367270, 403997, 425260, 587632, 680416, 734540, 807994, 850520, 1175264, 1469080, 1615988, 1701040, 2019985, 2938160, 3231976, 3402080, 4039970, 5876320, 6463952, 8079940, 12927904, 16159880, 32319760, 64639520]

約数ペア:

[(1, 64639520), (2, 32319760), (4, 16159880), (5, 12927904), (8, 8079940), (10, 6463952), (11, 5876320), (16, 4039970), (19, 3402080), (20, 3231976), (22, 2938160), (32, 2019985), (38, 1701040), (40, 1615988), (44, 1469080), (55, 1175264), (76, 850520), (80, 807994), (88, 734540), (95, 680416), (110, 587632), (152, 425260), (160, 403997), (176, 367270), (190, 340208), (209, 309280), (220, 293816), (304, 212630), (352, 183635), (380, 170104), (418, 154640), (440, 146908), (608, 106315), (760, 85052), (836, 77320), (880, 73454), (1045, 61856), (1520, 42526), (1672, 38660), (1760, 36727), (1933, 33440), (2090, 30928), (3040, 21263), (3344, 19330), (3866, 16720), (4180, 15464), (6688, 9665), (7732, 8360)]