215617080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{256687}}^1$

素因数の和:256708

約数の個数: 64

約数和(自身を含む): 739261440

約数和(自身を除く): 523644360

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, 256687, 513374, 770061, 1026748, 1283435, 1540122, 1796809, 2053496, 2566870, 3080244, 3593618, 3850305, 5133740, 5390427, 6160488, 7187236, 7700610, 8984045, 10267480, 10780854, 14374472, 15401220, 17968090, 21561708, 26952135, 30802440, 35936180, 43123416, 53904270, 71872360, 107808540, 215617080]

約数ペア:

[(1, 215617080), (2, 107808540), (3, 71872360), (4, 53904270), (5, 43123416), (6, 35936180), (7, 30802440), (8, 26952135), (10, 21561708), (12, 17968090), (14, 15401220), (15, 14374472), (20, 10780854), (21, 10267480), (24, 8984045), (28, 7700610), (30, 7187236), (35, 6160488), (40, 5390427), (42, 5133740), (56, 3850305), (60, 3593618), (70, 3080244), (84, 2566870), (105, 2053496), (120, 1796809), (140, 1540122), (168, 1283435), (210, 1026748), (280, 770061), (420, 513374), (840, 256687)]