128152920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{152563}}^1$

素因数の和:152584

約数の個数: 64

約数和(自身を含む): 439384320

約数和(自身を除く): 311231400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 152563, 305126, 457689, 610252, 762815, 915378, 1067941, 1220504, 1525630, 1830756, 2135882, 2288445, 3051260, 3203823, 3661512, 4271764, 4576890, 5339705, 6102520, 6407646, 8543528, 9153780, 10679410, 12815292, 16019115, 18307560, 21358820, 25630584, 32038230, 42717640, 64076460, 128152920]

約数ペア:

[(1, 128152920), (2, 64076460), (3, 42717640), (4, 32038230), (5, 25630584), (6, 21358820), (7, 18307560), (8, 16019115), (10, 12815292), (12, 10679410), (14, 9153780), (15, 8543528), (20, 6407646), (21, 6102520), (24, 5339705), (28, 4576890), (30, 4271764), (35, 3661512), (40, 3203823), (42, 3051260), (56, 2288445), (60, 2135882), (70, 1830756), (84, 1525630), (105, 1220504), (120, 1067941), (140, 915378), (168, 762815), (210, 610252), (280, 457689), (420, 305126), (840, 152563)]