80851045520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{49597}}^1$

素因数の和:49729

約数の個数: 160

約数和(自身を含む): 223176715776

約数和(自身を除く): 142325670256

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 56, 70, 71, 80, 82, 112, 140, 142, 164, 205, 280, 284, 287, 328, 355, 410, 497, 560, 568, 574, 656, 710, 820, 994, 1136, 1148, 1420, 1435, 1640, 1988, 2296, 2485, 2840, 2870, 2911, 3280, 3976, 4592, 4970, 5680, 5740, 5822, 7952, 9940, 11480, 11644, 14555, 19880, 20377, 22960, 23288, 29110, 39760, 40754, 46576, 49597, 58220, 81508, 99194, 101885, 116440, 163016, 198388, 203770, 232880, 247985, 326032, 347179, 396776, 407540, 495970, 694358, 793552, 815080, 991940, 1388716, 1630160, 1735895, 1983880, 2033477, 2777432, 3471790, 3521387, 3967760, 4066954, 5554864, 6943580, 7042774, 8133908, 10167385, 13887160, 14085548, 14234339, 16267816, 17606935, 20334770, 24649709, 27774320, 28171096, 28468678, 32535632, 35213870, 40669540, 49299418, 56342192, 56937356, 70427740, 71171695, 81339080, 98598836, 113874712, 123248545, 140855480, 142343390, 144376867, 162678160, 197197672, 227749424, 246497090, 281710960, 284686780, 288753734, 394395344, 492994180, 569373560, 577507468, 721884335, 985988360, 1010638069, 1138747120, 1155014936, 1443768670, 1971976720, 2021276138, 2310029872, 2887537340, 4042552276, 5053190345, 5775074680, 8085104552, 10106380690, 11550149360, 16170209104, 20212761380, 40425522760, 80851045520]

約数ペア:

[(1, 80851045520), (2, 40425522760), (4, 20212761380), (5, 16170209104), (7, 11550149360), (8, 10106380690), (10, 8085104552), (14, 5775074680), (16, 5053190345), (20, 4042552276), (28, 2887537340), (35, 2310029872), (40, 2021276138), (41, 1971976720), (56, 1443768670), (70, 1155014936), (71, 1138747120), (80, 1010638069), (82, 985988360), (112, 721884335), (140, 577507468), (142, 569373560), (164, 492994180), (205, 394395344), (280, 288753734), (284, 284686780), (287, 281710960), (328, 246497090), (355, 227749424), (410, 197197672), (497, 162678160), (560, 144376867), (568, 142343390), (574, 140855480), (656, 123248545), (710, 113874712), (820, 98598836), (994, 81339080), (1136, 71171695), (1148, 70427740), (1420, 56937356), (1435, 56342192), (1640, 49299418), (1988, 40669540), (2296, 35213870), (2485, 32535632), (2840, 28468678), (2870, 28171096), (2911, 27774320), (3280, 24649709), (3976, 20334770), (4592, 17606935), (4970, 16267816), (5680, 14234339), (5740, 14085548), (5822, 13887160), (7952, 10167385), (9940, 8133908), (11480, 7042774), (11644, 6943580), (14555, 5554864), (19880, 4066954), (20377, 3967760), (22960, 3521387), (23288, 3471790), (29110, 2777432), (39760, 2033477), (40754, 1983880), (46576, 1735895), (49597, 1630160), (58220, 1388716), (81508, 991940), (99194, 815080), (101885, 793552), (116440, 694358), (163016, 495970), (198388, 407540), (203770, 396776), (232880, 347179), (247985, 326032)]