81119880

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{25037}}^1$

素因数の和:25060

約数の個数: 80

約数和(自身を含む): 272663820

約数和(自身を除く): 191543940

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 25037, 50074, 75111, 100148, 125185, 150222, 200296, 225333, 250370, 300444, 375555, 450666, 500740, 600888, 675999, 751110, 901332, 1001480, 1126665, 1351998, 1502220, 1802664, 2027997, 2253330, 2703996, 3004440, 3379995, 4055994, 4506660, 5407992, 6759990, 8111988, 9013320, 10139985, 13519980, 16223976, 20279970, 27039960, 40559940, 81119880]

約数ペア:

[(1, 81119880), (2, 40559940), (3, 27039960), (4, 20279970), (5, 16223976), (6, 13519980), (8, 10139985), (9, 9013320), (10, 8111988), (12, 6759990), (15, 5407992), (18, 4506660), (20, 4055994), (24, 3379995), (27, 3004440), (30, 2703996), (36, 2253330), (40, 2027997), (45, 1802664), (54, 1502220), (60, 1351998), (72, 1126665), (81, 1001480), (90, 901332), (108, 751110), (120, 675999), (135, 600888), (162, 500740), (180, 450666), (216, 375555), (270, 300444), (324, 250370), (360, 225333), (405, 200296), (540, 150222), (648, 125185), (810, 100148), (1080, 75111), (1620, 50074), (3240, 25037)]