254152920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{302563}}^1$

素因数の和:302584

約数の個数: 64

約数和(自身を含む): 871384320

約数和(自身を除く): 617231400

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, 302563, 605126, 907689, 1210252, 1512815, 1815378, 2117941, 2420504, 3025630, 3630756, 4235882, 4538445, 6051260, 6353823, 7261512, 8471764, 9076890, 10589705, 12102520, 12707646, 16943528, 18153780, 21179410, 25415292, 31769115, 36307560, 42358820, 50830584, 63538230, 84717640, 127076460, 254152920]

約数ペア:

[(1, 254152920), (2, 127076460), (3, 84717640), (4, 63538230), (5, 50830584), (6, 42358820), (7, 36307560), (8, 31769115), (10, 25415292), (12, 21179410), (14, 18153780), (15, 16943528), (20, 12707646), (21, 12102520), (24, 10589705), (28, 9076890), (30, 8471764), (35, 7261512), (40, 6353823), (42, 6051260), (56, 4538445), (60, 4235882), (70, 3630756), (84, 3025630), (105, 2420504), (120, 2117941), (140, 1815378), (168, 1512815), (210, 1210252), (280, 907689), (420, 605126), (840, 302563)]