208464840

素因数分解:

$2^3\times 3^7\times 5^1\times {\mathrm{2383}}^1$

素因数の和:2415

約数の個数: 128

約数和(自身を含む): 703756800

約数和(自身を除く): 495291960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 243, 270, 324, 360, 405, 486, 540, 648, 729, 810, 972, 1080, 1215, 1458, 1620, 1944, 2187, 2383, 2430, 2916, 3240, 3645, 4374, 4766, 4860, 5832, 7149, 7290, 8748, 9532, 9720, 10935, 11915, 14298, 14580, 17496, 19064, 21447, 21870, 23830, 28596, 29160, 35745, 42894, 43740, 47660, 57192, 64341, 71490, 85788, 87480, 95320, 107235, 128682, 142980, 171576, 193023, 214470, 257364, 285960, 321705, 386046, 428940, 514728, 579069, 643410, 772092, 857880, 965115, 1158138, 1286820, 1544184, 1737207, 1930230, 2316276, 2573640, 2895345, 3474414, 3860460, 4632552, 5211621, 5790690, 6948828, 7720920, 8686035, 10423242, 11581380, 13897656, 17372070, 20846484, 23162760, 26058105, 34744140, 41692968, 52116210, 69488280, 104232420, 208464840]

約数ペア:

[(1, 208464840), (2, 104232420), (3, 69488280), (4, 52116210), (5, 41692968), (6, 34744140), (8, 26058105), (9, 23162760), (10, 20846484), (12, 17372070), (15, 13897656), (18, 11581380), (20, 10423242), (24, 8686035), (27, 7720920), (30, 6948828), (36, 5790690), (40, 5211621), (45, 4632552), (54, 3860460), (60, 3474414), (72, 2895345), (81, 2573640), (90, 2316276), (108, 1930230), (120, 1737207), (135, 1544184), (162, 1286820), (180, 1158138), (216, 965115), (243, 857880), (270, 772092), (324, 643410), (360, 579069), (405, 514728), (486, 428940), (540, 386046), (648, 321705), (729, 285960), (810, 257364), (972, 214470), (1080, 193023), (1215, 171576), (1458, 142980), (1620, 128682), (1944, 107235), (2187, 95320), (2383, 87480), (2430, 85788), (2916, 71490), (3240, 64341), (3645, 57192), (4374, 47660), (4766, 43740), (4860, 42894), (5832, 35745), (7149, 29160), (7290, 28596), (8748, 23830), (9532, 21870), (9720, 21447), (10935, 19064), (11915, 17496), (14298, 14580)]