28967220

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{17881}}^1$

素因数の和:17902

約数の個数: 60

約数和(自身を含む): 90876324

約数和(自身を除く): 61909104

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, 270, 324, 405, 540, 810, 1620, 17881, 35762, 53643, 71524, 89405, 107286, 160929, 178810, 214572, 268215, 321858, 357620, 482787, 536430, 643716, 804645, 965574, 1072860, 1448361, 1609290, 1931148, 2413935, 2896722, 3218580, 4827870, 5793444, 7241805, 9655740, 14483610, 28967220]

約数ペア:

[(1, 28967220), (2, 14483610), (3, 9655740), (4, 7241805), (5, 5793444), (6, 4827870), (9, 3218580), (10, 2896722), (12, 2413935), (15, 1931148), (18, 1609290), (20, 1448361), (27, 1072860), (30, 965574), (36, 804645), (45, 643716), (54, 536430), (60, 482787), (81, 357620), (90, 321858), (108, 268215), (135, 214572), (162, 178810), (180, 160929), (270, 107286), (324, 89405), (405, 71524), (540, 53643), (810, 35762), (1620, 17881)]