15988891880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1\times {\mathrm{2179}}^1$

素因数の和:2443

約数の個数: 128

約数和(自身を含む): 39422073600

約数和(自身を除く): 23433181720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 103, 104, 130, 137, 206, 260, 274, 412, 515, 520, 548, 685, 824, 1030, 1096, 1339, 1370, 1781, 2060, 2179, 2678, 2740, 3562, 4120, 4358, 5356, 5480, 6695, 7124, 8716, 8905, 10712, 10895, 13390, 14111, 14248, 17432, 17810, 21790, 26780, 28222, 28327, 35620, 43580, 53560, 56444, 56654, 70555, 71240, 87160, 112888, 113308, 141110, 141635, 183443, 224437, 226616, 282220, 283270, 298523, 366886, 448874, 564440, 566540, 597046, 733772, 897748, 917215, 1122185, 1133080, 1194092, 1467544, 1492615, 1795496, 1834430, 2244370, 2388184, 2917681, 2985230, 3668860, 3880799, 4488740, 5835362, 5970460, 7337720, 7761598, 8977480, 11670724, 11940920, 14588405, 15523196, 19403995, 23341448, 29176810, 30747869, 31046392, 38807990, 58353620, 61495738, 77615980, 116707240, 122991476, 153739345, 155231960, 245982952, 307478690, 399722297, 614957380, 799444594, 1229914760, 1598889188, 1998611485, 3197778376, 3997222970, 7994445940, 15988891880]

約数ペア:

[(1, 15988891880), (2, 7994445940), (4, 3997222970), (5, 3197778376), (8, 1998611485), (10, 1598889188), (13, 1229914760), (20, 799444594), (26, 614957380), (40, 399722297), (52, 307478690), (65, 245982952), (103, 155231960), (104, 153739345), (130, 122991476), (137, 116707240), (206, 77615980), (260, 61495738), (274, 58353620), (412, 38807990), (515, 31046392), (520, 30747869), (548, 29176810), (685, 23341448), (824, 19403995), (1030, 15523196), (1096, 14588405), (1339, 11940920), (1370, 11670724), (1781, 8977480), (2060, 7761598), (2179, 7337720), (2678, 5970460), (2740, 5835362), (3562, 4488740), (4120, 3880799), (4358, 3668860), (5356, 2985230), (5480, 2917681), (6695, 2388184), (7124, 2244370), (8716, 1834430), (8905, 1795496), (10712, 1492615), (10895, 1467544), (13390, 1194092), (14111, 1133080), (14248, 1122185), (17432, 917215), (17810, 897748), (21790, 733772), (26780, 597046), (28222, 566540), (28327, 564440), (35620, 448874), (43580, 366886), (53560, 298523), (56444, 283270), (56654, 282220), (70555, 226616), (71240, 224437), (87160, 183443), (112888, 141635), (113308, 141110)]