81025740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{26479}}^1$

素因数の和:26511

約数の個数: 72

約数和(自身を含む): 260245440

約数和(自身を除く): 179219700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 26479, 52958, 79437, 105916, 132395, 158874, 238311, 264790, 317748, 397185, 450143, 476622, 529580, 794370, 900286, 953244, 1191555, 1350429, 1588740, 1800572, 2250715, 2383110, 2700858, 4051287, 4501430, 4766220, 5401716, 6752145, 8102574, 9002860, 13504290, 16205148, 20256435, 27008580, 40512870, 81025740]

約数ペア:

[(1, 81025740), (2, 40512870), (3, 27008580), (4, 20256435), (5, 16205148), (6, 13504290), (9, 9002860), (10, 8102574), (12, 6752145), (15, 5401716), (17, 4766220), (18, 4501430), (20, 4051287), (30, 2700858), (34, 2383110), (36, 2250715), (45, 1800572), (51, 1588740), (60, 1350429), (68, 1191555), (85, 953244), (90, 900286), (102, 794370), (153, 529580), (170, 476622), (180, 450143), (204, 397185), (255, 317748), (306, 264790), (340, 238311), (510, 158874), (612, 132395), (765, 105916), (1020, 79437), (1530, 52958), (3060, 26479)]