30245805

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1$

素因数の和:248

約数の個数: 80

約数和(自身を含む): 60217344

約数和(自身を除く): 29971539

約数列:

[1, 3, 5, 9, 15, 17, 23, 27, 45, 51, 69, 81, 85, 115, 135, 153, 191, 207, 255, 345, 391, 405, 459, 573, 621, 765, 955, 1035, 1173, 1377, 1719, 1863, 1955, 2295, 2865, 3105, 3247, 3519, 4393, 5157, 5865, 6885, 8595, 9315, 9741, 10557, 13179, 15471, 16235, 17595, 21965, 25785, 29223, 31671, 39537, 48705, 52785, 65895, 74681, 77355, 87669, 118611, 146115, 158355, 197685, 224043, 263007, 355833, 373405, 438345, 593055, 672129, 1120215, 1315035, 1779165, 2016387, 3360645, 6049161, 10081935, 30245805]

約数ペア:

[(1, 30245805), (3, 10081935), (5, 6049161), (9, 3360645), (15, 2016387), (17, 1779165), (23, 1315035), (27, 1120215), (45, 672129), (51, 593055), (69, 438345), (81, 373405), (85, 355833), (115, 263007), (135, 224043), (153, 197685), (191, 158355), (207, 146115), (255, 118611), (345, 87669), (391, 77355), (405, 74681), (459, 65895), (573, 52785), (621, 48705), (765, 39537), (955, 31671), (1035, 29223), (1173, 25785), (1377, 21965), (1719, 17595), (1863, 16235), (1955, 15471), (2295, 13179), (2865, 10557), (3105, 9741), (3247, 9315), (3519, 8595), (4393, 6885), (5157, 5865)]