251163990

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4027}}^1$

素因数の和:4064

約数の個数: 160

約数和(自身を含む): 842206464

約数和(自身を除く): 591042474

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 27, 30, 33, 35, 42, 45, 54, 55, 63, 66, 70, 77, 81, 90, 99, 105, 110, 126, 135, 154, 162, 165, 189, 198, 210, 231, 270, 297, 315, 330, 378, 385, 405, 462, 495, 567, 594, 630, 693, 770, 810, 891, 945, 990, 1134, 1155, 1386, 1485, 1782, 1890, 2079, 2310, 2835, 2970, 3465, 4027, 4158, 4455, 5670, 6237, 6930, 8054, 8910, 10395, 12081, 12474, 20135, 20790, 24162, 28189, 31185, 36243, 40270, 44297, 56378, 60405, 62370, 72486, 84567, 88594, 108729, 120810, 132891, 140945, 169134, 181215, 217458, 221485, 253701, 265782, 281890, 310079, 326187, 362430, 398673, 422835, 442970, 507402, 543645, 620158, 652374, 664455, 761103, 797346, 845670, 930237, 1087290, 1196019, 1268505, 1328910, 1522206, 1550395, 1630935, 1860474, 1993365, 2283309, 2392038, 2537010, 2790711, 3100790, 3261870, 3588057, 3805515, 3986730, 4566618, 4651185, 5581422, 5980095, 7176114, 7611030, 8372133, 9302370, 11416545, 11960190, 13953555, 16744266, 17940285, 22833090, 25116399, 27907110, 35880570, 41860665, 50232798, 83721330, 125581995, 251163990]

約数ペア:

[(1, 251163990), (2, 125581995), (3, 83721330), (5, 50232798), (6, 41860665), (7, 35880570), (9, 27907110), (10, 25116399), (11, 22833090), (14, 17940285), (15, 16744266), (18, 13953555), (21, 11960190), (22, 11416545), (27, 9302370), (30, 8372133), (33, 7611030), (35, 7176114), (42, 5980095), (45, 5581422), (54, 4651185), (55, 4566618), (63, 3986730), (66, 3805515), (70, 3588057), (77, 3261870), (81, 3100790), (90, 2790711), (99, 2537010), (105, 2392038), (110, 2283309), (126, 1993365), (135, 1860474), (154, 1630935), (162, 1550395), (165, 1522206), (189, 1328910), (198, 1268505), (210, 1196019), (231, 1087290), (270, 930237), (297, 845670), (315, 797346), (330, 761103), (378, 664455), (385, 652374), (405, 620158), (462, 543645), (495, 507402), (567, 442970), (594, 422835), (630, 398673), (693, 362430), (770, 326187), (810, 310079), (891, 281890), (945, 265782), (990, 253701), (1134, 221485), (1155, 217458), (1386, 181215), (1485, 169134), (1782, 140945), (1890, 132891), (2079, 120810), (2310, 108729), (2835, 88594), (2970, 84567), (3465, 72486), (4027, 62370), (4158, 60405), (4455, 56378), (5670, 44297), (6237, 40270), (6930, 36243), (8054, 31185), (8910, 28189), (10395, 24162), (12081, 20790), (12474, 20135)]