2061288840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{661}}^1\times {\mathrm{1999}}^1$

素因数の和:2687

約数の個数: 128

約数和(自身を含む): 6672960000

約数和(自身を除く): 4611671160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 661, 780, 1322, 1560, 1983, 1999, 2644, 3305, 3966, 3998, 5288, 5997, 6610, 7932, 7996, 8593, 9915, 9995, 11994, 13220, 15864, 15992, 17186, 19830, 19990, 23988, 25779, 25987, 26440, 29985, 34372, 39660, 39980, 42965, 47976, 51558, 51974, 59970, 68744, 77961, 79320, 79960, 85930, 103116, 103948, 119940, 128895, 129935, 155922, 171860, 206232, 207896, 239880, 257790, 259870, 311844, 343720, 389805, 515580, 519740, 623688, 779610, 1031160, 1039480, 1321339, 1559220, 2642678, 3118440, 3964017, 5285356, 6606695, 7928034, 10570712, 13213390, 15856068, 17177407, 19820085, 26426780, 31712136, 34354814, 39640170, 51532221, 52853560, 68709628, 79280340, 85887035, 103064442, 137419256, 158560680, 171774070, 206128884, 257661105, 343548140, 412257768, 515322210, 687096280, 1030644420, 2061288840]

約数ペア:

[(1, 2061288840), (2, 1030644420), (3, 687096280), (4, 515322210), (5, 412257768), (6, 343548140), (8, 257661105), (10, 206128884), (12, 171774070), (13, 158560680), (15, 137419256), (20, 103064442), (24, 85887035), (26, 79280340), (30, 68709628), (39, 52853560), (40, 51532221), (52, 39640170), (60, 34354814), (65, 31712136), (78, 26426780), (104, 19820085), (120, 17177407), (130, 15856068), (156, 13213390), (195, 10570712), (260, 7928034), (312, 6606695), (390, 5285356), (520, 3964017), (661, 3118440), (780, 2642678), (1322, 1559220), (1560, 1321339), (1983, 1039480), (1999, 1031160), (2644, 779610), (3305, 623688), (3966, 519740), (3998, 515580), (5288, 389805), (5997, 343720), (6610, 311844), (7932, 259870), (7996, 257790), (8593, 239880), (9915, 207896), (9995, 206232), (11994, 171860), (13220, 155922), (15864, 129935), (15992, 128895), (17186, 119940), (19830, 103948), (19990, 103116), (23988, 85930), (25779, 79960), (25987, 79320), (26440, 77961), (29985, 68744), (34372, 59970), (39660, 51974), (39980, 51558), (42965, 47976)]