128016420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{43543}}^1$

素因数の和:43569

約数の個数: 72

約数和(自身を含む): 416977344

約数和(自身を除く): 288960924

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 43543, 87086, 130629, 174172, 217715, 261258, 304801, 435430, 522516, 609602, 653145, 870860, 914403, 1219204, 1306290, 1524005, 1828806, 2133607, 2612580, 3048010, 3657612, 4267214, 4572015, 6096020, 6400821, 8534428, 9144030, 10668035, 12801642, 18288060, 21336070, 25603284, 32004105, 42672140, 64008210, 128016420]

約数ペア:

[(1, 128016420), (2, 64008210), (3, 42672140), (4, 32004105), (5, 25603284), (6, 21336070), (7, 18288060), (10, 12801642), (12, 10668035), (14, 9144030), (15, 8534428), (20, 6400821), (21, 6096020), (28, 4572015), (30, 4267214), (35, 3657612), (42, 3048010), (49, 2612580), (60, 2133607), (70, 1828806), (84, 1524005), (98, 1306290), (105, 1219204), (140, 914403), (147, 870860), (196, 653145), (210, 609602), (245, 522516), (294, 435430), (420, 304801), (490, 261258), (588, 217715), (735, 174172), (980, 130629), (1470, 87086), (2940, 43543)]