28688580

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{5903}}^1$

素因数の和:5927

約数の個数: 72

約数和(自身を含む): 90260352

約数和(自身を除く): 61571772

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 5903, 11806, 17709, 23612, 29515, 35418, 53127, 59030, 70836, 88545, 106254, 118060, 159381, 177090, 212508, 265635, 318762, 354180, 478143, 531270, 637524, 796905, 956286, 1062540, 1434429, 1593810, 1912572, 2390715, 2868858, 3187620, 4781430, 5737716, 7172145, 9562860, 14344290, 28688580]

約数ペア:

[(1, 28688580), (2, 14344290), (3, 9562860), (4, 7172145), (5, 5737716), (6, 4781430), (9, 3187620), (10, 2868858), (12, 2390715), (15, 1912572), (18, 1593810), (20, 1434429), (27, 1062540), (30, 956286), (36, 796905), (45, 637524), (54, 531270), (60, 478143), (81, 354180), (90, 318762), (108, 265635), (135, 212508), (162, 177090), (180, 159381), (243, 118060), (270, 106254), (324, 88545), (405, 70836), (486, 59030), (540, 53127), (810, 35418), (972, 29515), (1215, 23612), (1620, 17709), (2430, 11806), (4860, 5903)]