263527432840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{641}}^1\times {\mathrm{4691}}^1$

素因数の和:5663

約数の個数: 128

約数和(自身を含む): 681012645120

約数和(自身を除く): 417485212280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 313, 626, 641, 1252, 1282, 1565, 2191, 2504, 2564, 3130, 3205, 4382, 4487, 4691, 5128, 6260, 6410, 8764, 8974, 9382, 10955, 12520, 12820, 17528, 17948, 18764, 21910, 22435, 23455, 25640, 32837, 35896, 37528, 43820, 44870, 46910, 65674, 87640, 89740, 93820, 131348, 164185, 179480, 187640, 200633, 262696, 328370, 401266, 656740, 802532, 1003165, 1313480, 1404431, 1468283, 1605064, 2006330, 2808862, 2936566, 3006931, 4012660, 5617724, 5873132, 6013862, 7022155, 7341415, 8025320, 10277981, 11235448, 11746264, 12027724, 14044310, 14682830, 15034655, 20555962, 21048517, 24055448, 28088620, 29365660, 30069310, 41111924, 42097034, 51389905, 56177240, 58731320, 60138620, 82223848, 84194068, 102779810, 105242585, 120277240, 168388136, 205559620, 210485170, 411119240, 420970340, 841940680, 941169403, 1882338806, 3764677612, 4705847015, 6588185821, 7529355224, 9411694030, 13176371642, 18823388060, 26352743284, 32940929105, 37646776120, 52705486568, 65881858210, 131763716420, 263527432840]

約数ペア:

[(1, 263527432840), (2, 131763716420), (4, 65881858210), (5, 52705486568), (7, 37646776120), (8, 32940929105), (10, 26352743284), (14, 18823388060), (20, 13176371642), (28, 9411694030), (35, 7529355224), (40, 6588185821), (56, 4705847015), (70, 3764677612), (140, 1882338806), (280, 941169403), (313, 841940680), (626, 420970340), (641, 411119240), (1252, 210485170), (1282, 205559620), (1565, 168388136), (2191, 120277240), (2504, 105242585), (2564, 102779810), (3130, 84194068), (3205, 82223848), (4382, 60138620), (4487, 58731320), (4691, 56177240), (5128, 51389905), (6260, 42097034), (6410, 41111924), (8764, 30069310), (8974, 29365660), (9382, 28088620), (10955, 24055448), (12520, 21048517), (12820, 20555962), (17528, 15034655), (17948, 14682830), (18764, 14044310), (21910, 12027724), (22435, 11746264), (23455, 11235448), (25640, 10277981), (32837, 8025320), (35896, 7341415), (37528, 7022155), (43820, 6013862), (44870, 5873132), (46910, 5617724), (65674, 4012660), (87640, 3006931), (89740, 2936566), (93820, 2808862), (131348, 2006330), (164185, 1605064), (179480, 1468283), (187640, 1404431), (200633, 1313480), (262696, 1003165), (328370, 802532), (401266, 656740)]