160020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{127}}^1$

素因数の和:149

約数の個数: 72

約数和(自身を含む): 559104

約数和(自身を除く): 399084

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, 127, 140, 180, 210, 252, 254, 315, 381, 420, 508, 630, 635, 762, 889, 1143, 1260, 1270, 1524, 1778, 1905, 2286, 2540, 2667, 3556, 3810, 4445, 4572, 5334, 5715, 7620, 8001, 8890, 10668, 11430, 13335, 16002, 17780, 22860, 26670, 32004, 40005, 53340, 80010, 160020]

約数ペア:

[(1, 160020), (2, 80010), (3, 53340), (4, 40005), (5, 32004), (6, 26670), (7, 22860), (9, 17780), (10, 16002), (12, 13335), (14, 11430), (15, 10668), (18, 8890), (20, 8001), (21, 7620), (28, 5715), (30, 5334), (35, 4572), (36, 4445), (42, 3810), (45, 3556), (60, 2667), (63, 2540), (70, 2286), (84, 1905), (90, 1778), (105, 1524), (126, 1270), (127, 1260), (140, 1143), (180, 889), (210, 762), (252, 635), (254, 630), (315, 508), (381, 420)]