205822260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{163351}}^1$

素因数の和:163373

約数の個数: 72

約数和(自身を含む): 713521536

約数和(自身を除く): 507699276

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 163351, 326702, 490053, 653404, 816755, 980106, 1143457, 1470159, 1633510, 1960212, 2286914, 2450265, 2940318, 3267020, 3430371, 4573828, 4900530, 5717285, 5880636, 6860742, 7350795, 9801060, 10291113, 11434570, 13721484, 14701590, 17151855, 20582226, 22869140, 29403180, 34303710, 41164452, 51455565, 68607420, 102911130, 205822260]

約数ペア:

[(1, 205822260), (2, 102911130), (3, 68607420), (4, 51455565), (5, 41164452), (6, 34303710), (7, 29403180), (9, 22869140), (10, 20582226), (12, 17151855), (14, 14701590), (15, 13721484), (18, 11434570), (20, 10291113), (21, 9801060), (28, 7350795), (30, 6860742), (35, 5880636), (36, 5717285), (42, 4900530), (45, 4573828), (60, 3430371), (63, 3267020), (70, 2940318), (84, 2450265), (90, 2286914), (105, 1960212), (126, 1633510), (140, 1470159), (180, 1143457), (210, 980106), (252, 816755), (315, 653404), (420, 490053), (630, 326702), (1260, 163351)]