66722320

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{17021}}^1$

素因数の和:17048

約数の個数: 60

約数和(自身を含む): 180467244

約数和(自身を除く): 113744924

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 17021, 34042, 68084, 85105, 119147, 136168, 170210, 238294, 272336, 340420, 476588, 595735, 680840, 834029, 953176, 1191470, 1361680, 1668058, 1906352, 2382940, 3336116, 4170145, 4765880, 6672232, 8340290, 9531760, 13344464, 16680580, 33361160, 66722320]

約数ペア:

[(1, 66722320), (2, 33361160), (4, 16680580), (5, 13344464), (7, 9531760), (8, 8340290), (10, 6672232), (14, 4765880), (16, 4170145), (20, 3336116), (28, 2382940), (35, 1906352), (40, 1668058), (49, 1361680), (56, 1191470), (70, 953176), (80, 834029), (98, 680840), (112, 595735), (140, 476588), (196, 340420), (245, 272336), (280, 238294), (392, 170210), (490, 136168), (560, 119147), (784, 85105), (980, 68084), (1960, 34042), (3920, 17021)]