81687240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{2203}}^1$

素因数の和:2323

約数の個数: 96

約数和(自身を含む): 268182720

約数和(自身を除く): 186495480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 103, 120, 180, 206, 309, 360, 412, 515, 618, 824, 927, 1030, 1236, 1545, 1854, 2060, 2203, 2472, 3090, 3708, 4120, 4406, 4635, 6180, 6609, 7416, 8812, 9270, 11015, 12360, 13218, 17624, 18540, 19827, 22030, 26436, 33045, 37080, 39654, 44060, 52872, 66090, 79308, 88120, 99135, 132180, 158616, 198270, 226909, 264360, 396540, 453818, 680727, 793080, 907636, 1134545, 1361454, 1815272, 2042181, 2269090, 2722908, 3403635, 4084362, 4538180, 5445816, 6807270, 8168724, 9076360, 10210905, 13614540, 16337448, 20421810, 27229080, 40843620, 81687240]

約数ペア:

[(1, 81687240), (2, 40843620), (3, 27229080), (4, 20421810), (5, 16337448), (6, 13614540), (8, 10210905), (9, 9076360), (10, 8168724), (12, 6807270), (15, 5445816), (18, 4538180), (20, 4084362), (24, 3403635), (30, 2722908), (36, 2269090), (40, 2042181), (45, 1815272), (60, 1361454), (72, 1134545), (90, 907636), (103, 793080), (120, 680727), (180, 453818), (206, 396540), (309, 264360), (360, 226909), (412, 198270), (515, 158616), (618, 132180), (824, 99135), (927, 88120), (1030, 79308), (1236, 66090), (1545, 52872), (1854, 44060), (2060, 39654), (2203, 37080), (2472, 33045), (3090, 26436), (3708, 22030), (4120, 19827), (4406, 18540), (4635, 17624), (6180, 13218), (6609, 12360), (7416, 11015), (8812, 9270)]