281564080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:291

約数の個数: 160

約数和(自身を含む): 781664256

約数和(自身を除く): 500100176

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 56, 70, 74, 80, 107, 112, 127, 140, 148, 185, 214, 254, 259, 280, 296, 370, 428, 508, 518, 535, 560, 592, 635, 740, 749, 856, 889, 1016, 1036, 1070, 1270, 1295, 1480, 1498, 1712, 1778, 2032, 2072, 2140, 2540, 2590, 2960, 2996, 3556, 3745, 3959, 4144, 4280, 4445, 4699, 5080, 5180, 5992, 7112, 7490, 7918, 8560, 8890, 9398, 10160, 10360, 11984, 13589, 14224, 14980, 15836, 17780, 18796, 19795, 20720, 23495, 27178, 27713, 29960, 31672, 32893, 35560, 37592, 39590, 46990, 54356, 55426, 59920, 63344, 65786, 67945, 71120, 75184, 79180, 93980, 95123, 108712, 110852, 131572, 135890, 138565, 158360, 164465, 187960, 190246, 217424, 221704, 263144, 271780, 277130, 316720, 328930, 375920, 380492, 443408, 475615, 502793, 526288, 543560, 554260, 657860, 760984, 951230, 1005586, 1087120, 1108520, 1315720, 1521968, 1902460, 2011172, 2217040, 2513965, 2631440, 3519551, 3804920, 4022344, 5027930, 7039102, 7609840, 8044688, 10055860, 14078204, 17597755, 20111720, 28156408, 35195510, 40223440, 56312816, 70391020, 140782040, 281564080]

約数ペア:

[(1, 281564080), (2, 140782040), (4, 70391020), (5, 56312816), (7, 40223440), (8, 35195510), (10, 28156408), (14, 20111720), (16, 17597755), (20, 14078204), (28, 10055860), (35, 8044688), (37, 7609840), (40, 7039102), (56, 5027930), (70, 4022344), (74, 3804920), (80, 3519551), (107, 2631440), (112, 2513965), (127, 2217040), (140, 2011172), (148, 1902460), (185, 1521968), (214, 1315720), (254, 1108520), (259, 1087120), (280, 1005586), (296, 951230), (370, 760984), (428, 657860), (508, 554260), (518, 543560), (535, 526288), (560, 502793), (592, 475615), (635, 443408), (740, 380492), (749, 375920), (856, 328930), (889, 316720), (1016, 277130), (1036, 271780), (1070, 263144), (1270, 221704), (1295, 217424), (1480, 190246), (1498, 187960), (1712, 164465), (1778, 158360), (2032, 138565), (2072, 135890), (2140, 131572), (2540, 110852), (2590, 108712), (2960, 95123), (2996, 93980), (3556, 79180), (3745, 75184), (3959, 71120), (4144, 67945), (4280, 65786), (4445, 63344), (4699, 59920), (5080, 55426), (5180, 54356), (5992, 46990), (7112, 39590), (7490, 37592), (7918, 35560), (8560, 32893), (8890, 31672), (9398, 29960), (10160, 27713), (10360, 27178), (11984, 23495), (13589, 20720), (14224, 19795), (14980, 18796), (15836, 17780)]