261489168

素因数分解:

$2^4\times 3^3\times {\mathrm{107}}^1\times {\mathrm{5657}}^1$

素因数の和:5781

約数の個数: 80

約数和(自身を含む): 757719360

約数和(自身を除く): 496230192

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 107, 108, 144, 214, 216, 321, 428, 432, 642, 856, 963, 1284, 1712, 1926, 2568, 2889, 3852, 5136, 5657, 5778, 7704, 11314, 11556, 15408, 16971, 22628, 23112, 33942, 45256, 46224, 50913, 67884, 90512, 101826, 135768, 152739, 203652, 271536, 305478, 407304, 605299, 610956, 814608, 1210598, 1221912, 1815897, 2421196, 2443824, 3631794, 4842392, 5447691, 7263588, 9684784, 10895382, 14527176, 16343073, 21790764, 29054352, 32686146, 43581528, 65372292, 87163056, 130744584, 261489168]

約数ペア:

[(1, 261489168), (2, 130744584), (3, 87163056), (4, 65372292), (6, 43581528), (8, 32686146), (9, 29054352), (12, 21790764), (16, 16343073), (18, 14527176), (24, 10895382), (27, 9684784), (36, 7263588), (48, 5447691), (54, 4842392), (72, 3631794), (107, 2443824), (108, 2421196), (144, 1815897), (214, 1221912), (216, 1210598), (321, 814608), (428, 610956), (432, 605299), (642, 407304), (856, 305478), (963, 271536), (1284, 203652), (1712, 152739), (1926, 135768), (2568, 101826), (2889, 90512), (3852, 67884), (5136, 50913), (5657, 46224), (5778, 45256), (7704, 33942), (11314, 23112), (11556, 22628), (15408, 16971)]