90402855

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{397}}^1$

素因数の和:488

約数の個数: 64

約数和(自身を含む): 165058560

約数和(自身を除く): 74655705

約数列:

[1, 3, 5, 15, 17, 19, 47, 51, 57, 85, 95, 141, 235, 255, 285, 323, 397, 705, 799, 893, 969, 1191, 1615, 1985, 2397, 2679, 3995, 4465, 4845, 5955, 6749, 7543, 11985, 13395, 15181, 18659, 20247, 22629, 33745, 37715, 45543, 55977, 75905, 93295, 101235, 113145, 128231, 227715, 279885, 317203, 354521, 384693, 641155, 951609, 1063563, 1586015, 1772605, 1923465, 4758045, 5317815, 6026857, 18080571, 30134285, 90402855]

約数ペア:

[(1, 90402855), (3, 30134285), (5, 18080571), (15, 6026857), (17, 5317815), (19, 4758045), (47, 1923465), (51, 1772605), (57, 1586015), (85, 1063563), (95, 951609), (141, 641155), (235, 384693), (255, 354521), (285, 317203), (323, 279885), (397, 227715), (705, 128231), (799, 113145), (893, 101235), (969, 93295), (1191, 75905), (1615, 55977), (1985, 45543), (2397, 37715), (2679, 33745), (3995, 22629), (4465, 20247), (4845, 18659), (5955, 15181), (6749, 13395), (7543, 11985)]