81111780

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{50069}}^1$

素因数の和:50090

約数の個数: 60

約数和(自身を含む): 254455740

約数和(自身を除く): 173343960

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 50069, 100138, 150207, 200276, 250345, 300414, 450621, 500690, 600828, 751035, 901242, 1001380, 1351863, 1502070, 1802484, 2253105, 2703726, 3004140, 4055589, 4506210, 5407452, 6759315, 8111178, 9012420, 13518630, 16222356, 20277945, 27037260, 40555890, 81111780]

約数ペア:

[(1, 81111780), (2, 40555890), (3, 27037260), (4, 20277945), (5, 16222356), (6, 13518630), (9, 9012420), (10, 8111178), (12, 6759315), (15, 5407452), (18, 4506210), (20, 4055589), (27, 3004140), (30, 2703726), (36, 2253105), (45, 1802484), (54, 1502070), (60, 1351863), (81, 1001380), (90, 901242), (108, 751035), (135, 600828), (162, 500690), (180, 450621), (270, 300414), (324, 250345), (405, 200276), (540, 150207), (810, 100138), (1620, 50069)]