1821563880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1277}}^1\times {\mathrm{11887}}^1$

素因数の和:13178

約数の個数: 64

約数和(自身を含む): 5469431040

約数和(自身を除く): 3647867160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1277, 2554, 3831, 5108, 6385, 7662, 10216, 11887, 12770, 15324, 19155, 23774, 25540, 30648, 35661, 38310, 47548, 51080, 59435, 71322, 76620, 95096, 118870, 142644, 153240, 178305, 237740, 285288, 356610, 475480, 713220, 1426440, 15179699, 30359398, 45539097, 60718796, 75898495, 91078194, 121437592, 151796990, 182156388, 227695485, 303593980, 364312776, 455390970, 607187960, 910781940, 1821563880]

約数ペア:

[(1, 1821563880), (2, 910781940), (3, 607187960), (4, 455390970), (5, 364312776), (6, 303593980), (8, 227695485), (10, 182156388), (12, 151796990), (15, 121437592), (20, 91078194), (24, 75898495), (30, 60718796), (40, 45539097), (60, 30359398), (120, 15179699), (1277, 1426440), (2554, 713220), (3831, 475480), (5108, 356610), (6385, 285288), (7662, 237740), (10216, 178305), (11887, 153240), (12770, 142644), (15324, 118870), (19155, 95096), (23774, 76620), (25540, 71322), (30648, 59435), (35661, 51080), (38310, 47548)]