620491520

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{347}}^1$

素因数の和:506

約数の個数: 144

約数和(自身を含む): 1638862848

約数和(自身を除く): 1018371328

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 127, 128, 160, 176, 220, 254, 256, 320, 347, 352, 440, 508, 635, 640, 694, 704, 880, 1016, 1270, 1280, 1388, 1397, 1408, 1735, 1760, 2032, 2540, 2776, 2794, 2816, 3470, 3520, 3817, 4064, 5080, 5552, 5588, 6940, 6985, 7040, 7634, 8128, 10160, 11104, 11176, 13880, 13970, 14080, 15268, 16256, 19085, 20320, 22208, 22352, 27760, 27940, 30536, 32512, 38170, 40640, 44069, 44416, 44704, 55520, 55880, 61072, 76340, 81280, 88138, 88832, 89408, 111040, 111760, 122144, 152680, 162560, 176276, 178816, 220345, 222080, 223520, 244288, 305360, 352552, 357632, 440690, 444160, 447040, 484759, 488576, 610720, 705104, 881380, 894080, 969518, 977152, 1221440, 1410208, 1762760, 1788160, 1939036, 2423795, 2442880, 2820416, 3525520, 3878072, 4847590, 4885760, 5640832, 7051040, 7756144, 9695180, 11281664, 14102080, 15512288, 19390360, 28204160, 31024576, 38780720, 56408320, 62049152, 77561440, 124098304, 155122880, 310245760, 620491520]

約数ペア:

[(1, 620491520), (2, 310245760), (4, 155122880), (5, 124098304), (8, 77561440), (10, 62049152), (11, 56408320), (16, 38780720), (20, 31024576), (22, 28204160), (32, 19390360), (40, 15512288), (44, 14102080), (55, 11281664), (64, 9695180), (80, 7756144), (88, 7051040), (110, 5640832), (127, 4885760), (128, 4847590), (160, 3878072), (176, 3525520), (220, 2820416), (254, 2442880), (256, 2423795), (320, 1939036), (347, 1788160), (352, 1762760), (440, 1410208), (508, 1221440), (635, 977152), (640, 969518), (694, 894080), (704, 881380), (880, 705104), (1016, 610720), (1270, 488576), (1280, 484759), (1388, 447040), (1397, 444160), (1408, 440690), (1735, 357632), (1760, 352552), (2032, 305360), (2540, 244288), (2776, 223520), (2794, 222080), (2816, 220345), (3470, 178816), (3520, 176276), (3817, 162560), (4064, 152680), (5080, 122144), (5552, 111760), (5588, 111040), (6940, 89408), (6985, 88832), (7040, 88138), (7634, 81280), (8128, 76340), (10160, 61072), (11104, 55880), (11176, 55520), (13880, 44704), (13970, 44416), (14080, 44069), (15268, 40640), (16256, 38170), (19085, 32512), (20320, 30536), (22208, 27940), (22352, 27760)]