28061880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3037}}^1$

素因数の和:3069

約数の個数: 128

約数和(自身を含む): 104993280

約数和(自身を除く): 76931400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 77, 84, 88, 105, 110, 120, 132, 140, 154, 165, 168, 210, 220, 231, 264, 280, 308, 330, 385, 420, 440, 462, 616, 660, 770, 840, 924, 1155, 1320, 1540, 1848, 2310, 3037, 3080, 4620, 6074, 9111, 9240, 12148, 15185, 18222, 21259, 24296, 30370, 33407, 36444, 42518, 45555, 60740, 63777, 66814, 72888, 85036, 91110, 100221, 106295, 121480, 127554, 133628, 167035, 170072, 182220, 200442, 212590, 233849, 255108, 267256, 318885, 334070, 364440, 400884, 425180, 467698, 501105, 510216, 637770, 668140, 701547, 801768, 850360, 935396, 1002210, 1169245, 1275540, 1336280, 1403094, 1870792, 2004420, 2338490, 2551080, 2806188, 3507735, 4008840, 4676980, 5612376, 7015470, 9353960, 14030940, 28061880]

約数ペア:

[(1, 28061880), (2, 14030940), (3, 9353960), (4, 7015470), (5, 5612376), (6, 4676980), (7, 4008840), (8, 3507735), (10, 2806188), (11, 2551080), (12, 2338490), (14, 2004420), (15, 1870792), (20, 1403094), (21, 1336280), (22, 1275540), (24, 1169245), (28, 1002210), (30, 935396), (33, 850360), (35, 801768), (40, 701547), (42, 668140), (44, 637770), (55, 510216), (56, 501105), (60, 467698), (66, 425180), (70, 400884), (77, 364440), (84, 334070), (88, 318885), (105, 267256), (110, 255108), (120, 233849), (132, 212590), (140, 200442), (154, 182220), (165, 170072), (168, 167035), (210, 133628), (220, 127554), (231, 121480), (264, 106295), (280, 100221), (308, 91110), (330, 85036), (385, 72888), (420, 66814), (440, 63777), (462, 60740), (616, 45555), (660, 42518), (770, 36444), (840, 33407), (924, 30370), (1155, 24296), (1320, 21259), (1540, 18222), (1848, 15185), (2310, 12148), (3037, 9240), (3080, 9111), (4620, 6074)]