1780496940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1409}}^1\times {\mathrm{21061}}^1$

素因数の和:22482

約数の個数: 48

約数和(自身を含む): 4989166560

約数和(自身を除く): 3208669620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1409, 2818, 4227, 5636, 7045, 8454, 14090, 16908, 21061, 21135, 28180, 42122, 42270, 63183, 84244, 84540, 105305, 126366, 210610, 252732, 315915, 421220, 631830, 1263660, 29674949, 59349898, 89024847, 118699796, 148374745, 178049694, 296749490, 356099388, 445124235, 593498980, 890248470, 1780496940]

約数ペア:

[(1, 1780496940), (2, 890248470), (3, 593498980), (4, 445124235), (5, 356099388), (6, 296749490), (10, 178049694), (12, 148374745), (15, 118699796), (20, 89024847), (30, 59349898), (60, 29674949), (1409, 1263660), (2818, 631830), (4227, 421220), (5636, 315915), (7045, 252732), (8454, 210610), (14090, 126366), (16908, 105305), (21061, 84540), (21135, 84244), (28180, 63183), (42122, 42270)]