2138691780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{56311}}^1$

素因数の和:56537

約数の個数: 72

約数和(自身を含む): 6518226624

約数和(自身を除く): 4379534844

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 211, 422, 633, 844, 1055, 1266, 1899, 2110, 2532, 3165, 3798, 4220, 6330, 7596, 9495, 12660, 18990, 37980, 56311, 112622, 168933, 225244, 281555, 337866, 506799, 563110, 675732, 844665, 1013598, 1126220, 1689330, 2027196, 2533995, 3378660, 5067990, 10135980, 11881621, 23763242, 35644863, 47526484, 59408105, 71289726, 106934589, 118816210, 142579452, 178224315, 213869178, 237632420, 356448630, 427738356, 534672945, 712897260, 1069345890, 2138691780]

約数ペア:

[(1, 2138691780), (2, 1069345890), (3, 712897260), (4, 534672945), (5, 427738356), (6, 356448630), (9, 237632420), (10, 213869178), (12, 178224315), (15, 142579452), (18, 118816210), (20, 106934589), (30, 71289726), (36, 59408105), (45, 47526484), (60, 35644863), (90, 23763242), (180, 11881621), (211, 10135980), (422, 5067990), (633, 3378660), (844, 2533995), (1055, 2027196), (1266, 1689330), (1899, 1126220), (2110, 1013598), (2532, 844665), (3165, 675732), (3798, 563110), (4220, 506799), (6330, 337866), (7596, 281555), (9495, 225244), (12660, 168933), (18990, 112622), (37980, 56311)]