171981900

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{63697}}^1$

素因数の和:63720

約数の個数: 72

約数和(自身を含む): 552898640

約数和(自身を除く): 380916740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 90, 100, 108, 135, 150, 180, 225, 270, 300, 450, 540, 675, 900, 1350, 2700, 63697, 127394, 191091, 254788, 318485, 382182, 573273, 636970, 764364, 955455, 1146546, 1273940, 1592425, 1719819, 1910910, 2293092, 2866365, 3184850, 3439638, 3821820, 4777275, 5732730, 6369700, 6879276, 8599095, 9554550, 11465460, 14331825, 17198190, 19109100, 28663650, 34396380, 42995475, 57327300, 85990950, 171981900]

約数ペア:

[(1, 171981900), (2, 85990950), (3, 57327300), (4, 42995475), (5, 34396380), (6, 28663650), (9, 19109100), (10, 17198190), (12, 14331825), (15, 11465460), (18, 9554550), (20, 8599095), (25, 6879276), (27, 6369700), (30, 5732730), (36, 4777275), (45, 3821820), (50, 3439638), (54, 3184850), (60, 2866365), (75, 2293092), (90, 1910910), (100, 1719819), (108, 1592425), (135, 1273940), (150, 1146546), (180, 955455), (225, 764364), (270, 636970), (300, 573273), (450, 382182), (540, 318485), (675, 254788), (900, 191091), (1350, 127394), (2700, 63697)]