1287090

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{227}}^1$

素因数の和:253

約数の個数: 80

約数和(自身を含む): 3972672

約数和(自身を除く): 2685582

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 81, 90, 105, 126, 135, 162, 189, 210, 227, 270, 315, 378, 405, 454, 567, 630, 681, 810, 945, 1134, 1135, 1362, 1589, 1890, 2043, 2270, 2835, 3178, 3405, 4086, 4767, 5670, 6129, 6810, 7945, 9534, 10215, 12258, 14301, 15890, 18387, 20430, 23835, 28602, 30645, 36774, 42903, 47670, 61290, 71505, 85806, 91935, 128709, 143010, 183870, 214515, 257418, 429030, 643545, 1287090]

約数ペア:

[(1, 1287090), (2, 643545), (3, 429030), (5, 257418), (6, 214515), (7, 183870), (9, 143010), (10, 128709), (14, 91935), (15, 85806), (18, 71505), (21, 61290), (27, 47670), (30, 42903), (35, 36774), (42, 30645), (45, 28602), (54, 23835), (63, 20430), (70, 18387), (81, 15890), (90, 14301), (105, 12258), (126, 10215), (135, 9534), (162, 7945), (189, 6810), (210, 6129), (227, 5670), (270, 4767), (315, 4086), (378, 3405), (405, 3178), (454, 2835), (567, 2270), (630, 2043), (681, 1890), (810, 1589), (945, 1362), (1134, 1135)]