80307920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13037}}^1$

素因数の和:13068

約数の個数: 80

約数和(自身を含む): 232806528

約数和(自身を除く): 152498608

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 3080, 6160, 13037, 26074, 52148, 65185, 91259, 104296, 130370, 143407, 182518, 208592, 260740, 286814, 365036, 456295, 521480, 573628, 717035, 730072, 912590, 1003849, 1042960, 1147256, 1434070, 1460144, 1825180, 2007698, 2294512, 2868140, 3650360, 4015396, 5019245, 5736280, 7300720, 8030792, 10038490, 11472560, 16061584, 20076980, 40153960, 80307920]

約数ペア:

[(1, 80307920), (2, 40153960), (4, 20076980), (5, 16061584), (7, 11472560), (8, 10038490), (10, 8030792), (11, 7300720), (14, 5736280), (16, 5019245), (20, 4015396), (22, 3650360), (28, 2868140), (35, 2294512), (40, 2007698), (44, 1825180), (55, 1460144), (56, 1434070), (70, 1147256), (77, 1042960), (80, 1003849), (88, 912590), (110, 730072), (112, 717035), (140, 573628), (154, 521480), (176, 456295), (220, 365036), (280, 286814), (308, 260740), (385, 208592), (440, 182518), (560, 143407), (616, 130370), (770, 104296), (880, 91259), (1232, 65185), (1540, 52148), (3080, 26074), (6160, 13037)]