27789780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1283}}^1$

素因数の和:1333

約数の個数: 72

約数和(自身を含む): 82186272

約数和(自身を除く): 54396492

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 361, 380, 570, 722, 1083, 1140, 1283, 1444, 1805, 2166, 2566, 3610, 3849, 4332, 5132, 5415, 6415, 7220, 7698, 10830, 12830, 15396, 19245, 21660, 24377, 25660, 38490, 48754, 73131, 76980, 97508, 121885, 146262, 243770, 292524, 365655, 463163, 487540, 731310, 926326, 1389489, 1462620, 1852652, 2315815, 2778978, 4631630, 5557956, 6947445, 9263260, 13894890, 27789780]

約数ペア:

[(1, 27789780), (2, 13894890), (3, 9263260), (4, 6947445), (5, 5557956), (6, 4631630), (10, 2778978), (12, 2315815), (15, 1852652), (19, 1462620), (20, 1389489), (30, 926326), (38, 731310), (57, 487540), (60, 463163), (76, 365655), (95, 292524), (114, 243770), (190, 146262), (228, 121885), (285, 97508), (361, 76980), (380, 73131), (570, 48754), (722, 38490), (1083, 25660), (1140, 24377), (1283, 21660), (1444, 19245), (1805, 15396), (2166, 12830), (2566, 10830), (3610, 7698), (3849, 7220), (4332, 6415), (5132, 5415)]