121715440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19759}}^1$

素因数の和:19790

約数の個数: 80

約数和(自身を含む): 352834560

約数和(自身を除く): 231119120

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, 19759, 39518, 79036, 98795, 138313, 158072, 197590, 217349, 276626, 316144, 395180, 434698, 553252, 691565, 790360, 869396, 1086745, 1106504, 1383130, 1521443, 1580720, 1738792, 2173490, 2213008, 2766260, 3042886, 3477584, 4346980, 5532520, 6085772, 7607215, 8693960, 11065040, 12171544, 15214430, 17387920, 24343088, 30428860, 60857720, 121715440]

約数ペア:

[(1, 121715440), (2, 60857720), (4, 30428860), (5, 24343088), (7, 17387920), (8, 15214430), (10, 12171544), (11, 11065040), (14, 8693960), (16, 7607215), (20, 6085772), (22, 5532520), (28, 4346980), (35, 3477584), (40, 3042886), (44, 2766260), (55, 2213008), (56, 2173490), (70, 1738792), (77, 1580720), (80, 1521443), (88, 1383130), (110, 1106504), (112, 1086745), (140, 869396), (154, 790360), (176, 691565), (220, 553252), (280, 434698), (308, 395180), (385, 316144), (440, 276626), (560, 217349), (616, 197590), (770, 158072), (880, 138313), (1232, 98795), (1540, 79036), (3080, 39518), (6160, 19759)]