79280340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{661}}^1\times {\mathrm{1999}}^1$

素因数の和:2672

約数の個数: 48

約数和(自身を含む): 222432000

約数和(自身を除く): 143151660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 661, 1322, 1983, 1999, 2644, 3305, 3966, 3998, 5997, 6610, 7932, 7996, 9915, 9995, 11994, 13220, 19830, 19990, 23988, 29985, 39660, 39980, 59970, 119940, 1321339, 2642678, 3964017, 5285356, 6606695, 7928034, 13213390, 15856068, 19820085, 26426780, 39640170, 79280340]

約数ペア:

[(1, 79280340), (2, 39640170), (3, 26426780), (4, 19820085), (5, 15856068), (6, 13213390), (10, 7928034), (12, 6606695), (15, 5285356), (20, 3964017), (30, 2642678), (60, 1321339), (661, 119940), (1322, 59970), (1983, 39980), (1999, 39660), (2644, 29985), (3305, 23988), (3966, 19990), (3998, 19830), (5997, 13220), (6610, 11994), (7932, 9995), (7996, 9915)]