212437260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{168601}}^1$

素因数の和:168623

約数の個数: 72

約数和(自身を含む): 736453536

約数和(自身を除く): 524016276

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, 168601, 337202, 505803, 674404, 843005, 1011606, 1180207, 1517409, 1686010, 2023212, 2360414, 2529015, 3034818, 3372020, 3540621, 4720828, 5058030, 5901035, 6069636, 7081242, 7587045, 10116060, 10621863, 11802070, 14162484, 15174090, 17703105, 21243726, 23604140, 30348180, 35406210, 42487452, 53109315, 70812420, 106218630, 212437260]

約数ペア:

[(1, 212437260), (2, 106218630), (3, 70812420), (4, 53109315), (5, 42487452), (6, 35406210), (7, 30348180), (9, 23604140), (10, 21243726), (12, 17703105), (14, 15174090), (15, 14162484), (18, 11802070), (20, 10621863), (21, 10116060), (28, 7587045), (30, 7081242), (35, 6069636), (36, 5901035), (42, 5058030), (45, 4720828), (60, 3540621), (63, 3372020), (70, 3034818), (84, 2529015), (90, 2360414), (105, 2023212), (126, 1686010), (140, 1517409), (180, 1180207), (210, 1011606), (252, 843005), (315, 674404), (420, 505803), (630, 337202), (1260, 168601)]