205842560

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4177}}^1$

素因数の和:4214

約数の個数: 128

約数和(自身を含む): 613664640

約数和(自身を除く): 407822080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 128, 140, 154, 160, 176, 220, 224, 280, 308, 320, 352, 385, 440, 448, 560, 616, 640, 704, 770, 880, 896, 1120, 1232, 1408, 1540, 1760, 2240, 2464, 3080, 3520, 4177, 4480, 4928, 6160, 7040, 8354, 9856, 12320, 16708, 20885, 24640, 29239, 33416, 41770, 45947, 49280, 58478, 66832, 83540, 91894, 116956, 133664, 146195, 167080, 183788, 229735, 233912, 267328, 292390, 321629, 334160, 367576, 459470, 467824, 534656, 584780, 643258, 668320, 735152, 918940, 935648, 1169560, 1286516, 1336640, 1470304, 1608145, 1837880, 1871296, 2339120, 2573032, 2673280, 2940608, 3216290, 3675760, 3742592, 4678240, 5146064, 5881216, 6432580, 7351520, 9356480, 10292128, 12865160, 14703040, 18712960, 20584256, 25730320, 29406080, 41168512, 51460640, 102921280, 205842560]

約数ペア:

[(1, 205842560), (2, 102921280), (4, 51460640), (5, 41168512), (7, 29406080), (8, 25730320), (10, 20584256), (11, 18712960), (14, 14703040), (16, 12865160), (20, 10292128), (22, 9356480), (28, 7351520), (32, 6432580), (35, 5881216), (40, 5146064), (44, 4678240), (55, 3742592), (56, 3675760), (64, 3216290), (70, 2940608), (77, 2673280), (80, 2573032), (88, 2339120), (110, 1871296), (112, 1837880), (128, 1608145), (140, 1470304), (154, 1336640), (160, 1286516), (176, 1169560), (220, 935648), (224, 918940), (280, 735152), (308, 668320), (320, 643258), (352, 584780), (385, 534656), (440, 467824), (448, 459470), (560, 367576), (616, 334160), (640, 321629), (704, 292390), (770, 267328), (880, 233912), (896, 229735), (1120, 183788), (1232, 167080), (1408, 146195), (1540, 133664), (1760, 116956), (2240, 91894), (2464, 83540), (3080, 66832), (3520, 58478), (4177, 49280), (4480, 45947), (4928, 41770), (6160, 33416), (7040, 29239), (8354, 24640), (9856, 20885), (12320, 16708)]