217601820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{6679}}^1$

素因数の和:6875

約数の個数: 72

約数和(自身を含む): 663804960

約数和(自身を除く): 446203140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 181, 362, 543, 724, 905, 1086, 1629, 1810, 2172, 2715, 3258, 3620, 5430, 6516, 6679, 8145, 10860, 13358, 16290, 20037, 26716, 32580, 33395, 40074, 60111, 66790, 80148, 100185, 120222, 133580, 200370, 240444, 300555, 400740, 601110, 1202220, 1208899, 2417798, 3626697, 4835596, 6044495, 7253394, 10880091, 12088990, 14506788, 18133485, 21760182, 24177980, 36266970, 43520364, 54400455, 72533940, 108800910, 217601820]

約数ペア:

[(1, 217601820), (2, 108800910), (3, 72533940), (4, 54400455), (5, 43520364), (6, 36266970), (9, 24177980), (10, 21760182), (12, 18133485), (15, 14506788), (18, 12088990), (20, 10880091), (30, 7253394), (36, 6044495), (45, 4835596), (60, 3626697), (90, 2417798), (180, 1208899), (181, 1202220), (362, 601110), (543, 400740), (724, 300555), (905, 240444), (1086, 200370), (1629, 133580), (1810, 120222), (2172, 100185), (2715, 80148), (3258, 66790), (3620, 60111), (5430, 40074), (6516, 33395), (6679, 32580), (8145, 26716), (10860, 20037), (13358, 16290)]