81905400

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{45503}}^1$

素因数の和:45525

約数の個数: 72

約数和(自身を含む): 275071680

約数和(自身を除く): 193166280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 150, 180, 200, 225, 300, 360, 450, 600, 900, 1800, 45503, 91006, 136509, 182012, 227515, 273018, 364024, 409527, 455030, 546036, 682545, 819054, 910060, 1092072, 1137575, 1365090, 1638108, 1820120, 2047635, 2275150, 2730180, 3276216, 3412725, 4095270, 4550300, 5460360, 6825450, 8190540, 9100600, 10238175, 13650900, 16381080, 20476350, 27301800, 40952700, 81905400]

約数ペア:

[(1, 81905400), (2, 40952700), (3, 27301800), (4, 20476350), (5, 16381080), (6, 13650900), (8, 10238175), (9, 9100600), (10, 8190540), (12, 6825450), (15, 5460360), (18, 4550300), (20, 4095270), (24, 3412725), (25, 3276216), (30, 2730180), (36, 2275150), (40, 2047635), (45, 1820120), (50, 1638108), (60, 1365090), (72, 1137575), (75, 1092072), (90, 910060), (100, 819054), (120, 682545), (150, 546036), (180, 455030), (200, 409527), (225, 364024), (300, 273018), (360, 227515), (450, 182012), (600, 136509), (900, 91006), (1800, 45503)]