81411480

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{25127}}^1$

素因数の和:25150

約数の個数: 80

約数和(自身を含む): 273643920

約数和(自身を除く): 192232440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 25127, 50254, 75381, 100508, 125635, 150762, 201016, 226143, 251270, 301524, 376905, 452286, 502540, 603048, 678429, 753810, 904572, 1005080, 1130715, 1356858, 1507620, 1809144, 2035287, 2261430, 2713716, 3015240, 3392145, 4070574, 4522860, 5427432, 6784290, 8141148, 9045720, 10176435, 13568580, 16282296, 20352870, 27137160, 40705740, 81411480]

約数ペア:

[(1, 81411480), (2, 40705740), (3, 27137160), (4, 20352870), (5, 16282296), (6, 13568580), (8, 10176435), (9, 9045720), (10, 8141148), (12, 6784290), (15, 5427432), (18, 4522860), (20, 4070574), (24, 3392145), (27, 3015240), (30, 2713716), (36, 2261430), (40, 2035287), (45, 1809144), (54, 1507620), (60, 1356858), (72, 1130715), (81, 1005080), (90, 904572), (108, 753810), (120, 678429), (135, 603048), (162, 502540), (180, 452286), (216, 376905), (270, 301524), (324, 251270), (360, 226143), (405, 201016), (540, 150762), (648, 125635), (810, 100508), (1080, 75381), (1620, 50254), (3240, 25127)]