260667960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{8387}}^1$

素因数の和:8445

約数の個数: 128

約数和(自身を含む): 917982720

約数和(自身を除く): 657314760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 37, 40, 42, 56, 60, 70, 74, 84, 105, 111, 120, 140, 148, 168, 185, 210, 222, 259, 280, 296, 370, 420, 444, 518, 555, 740, 777, 840, 888, 1036, 1110, 1295, 1480, 1554, 2072, 2220, 2590, 3108, 3885, 4440, 5180, 6216, 7770, 8387, 10360, 15540, 16774, 25161, 31080, 33548, 41935, 50322, 58709, 67096, 83870, 100644, 117418, 125805, 167740, 176127, 201288, 234836, 251610, 293545, 310319, 335480, 352254, 469672, 503220, 587090, 620638, 704508, 880635, 930957, 1006440, 1174180, 1241276, 1409016, 1551595, 1761270, 1861914, 2172233, 2348360, 2482552, 3103190, 3522540, 3723828, 4344466, 4654785, 6206380, 6516699, 7045080, 7447656, 8688932, 9309570, 10861165, 12412760, 13033398, 17377864, 18619140, 21722330, 26066796, 32583495, 37238280, 43444660, 52133592, 65166990, 86889320, 130333980, 260667960]

約数ペア:

[(1, 260667960), (2, 130333980), (3, 86889320), (4, 65166990), (5, 52133592), (6, 43444660), (7, 37238280), (8, 32583495), (10, 26066796), (12, 21722330), (14, 18619140), (15, 17377864), (20, 13033398), (21, 12412760), (24, 10861165), (28, 9309570), (30, 8688932), (35, 7447656), (37, 7045080), (40, 6516699), (42, 6206380), (56, 4654785), (60, 4344466), (70, 3723828), (74, 3522540), (84, 3103190), (105, 2482552), (111, 2348360), (120, 2172233), (140, 1861914), (148, 1761270), (168, 1551595), (185, 1409016), (210, 1241276), (222, 1174180), (259, 1006440), (280, 930957), (296, 880635), (370, 704508), (420, 620638), (444, 587090), (518, 503220), (555, 469672), (740, 352254), (777, 335480), (840, 310319), (888, 293545), (1036, 251610), (1110, 234836), (1295, 201288), (1480, 176127), (1554, 167740), (2072, 125805), (2220, 117418), (2590, 100644), (3108, 83870), (3885, 67096), (4440, 58709), (5180, 50322), (6216, 41935), (7770, 33548), (8387, 31080), (10360, 25161), (15540, 16774)]