12779816960

素因数分解:

$2^{11}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{317}}^1$

素因数の和:502

約数の個数: 192

約数和(自身を含む): 32003112960

約数和(自身を除く): 19223296000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 127, 128, 155, 160, 248, 254, 256, 310, 317, 320, 496, 508, 512, 620, 634, 635, 640, 992, 1016, 1024, 1240, 1268, 1270, 1280, 1585, 1984, 2032, 2048, 2480, 2536, 2540, 2560, 3170, 3937, 3968, 4064, 4960, 5072, 5080, 5120, 6340, 7874, 7936, 8128, 9827, 9920, 10144, 10160, 10240, 12680, 15748, 15872, 16256, 19654, 19685, 19840, 20288, 20320, 25360, 31496, 31744, 32512, 39308, 39370, 39680, 40259, 40576, 40640, 49135, 50720, 62992, 63488, 65024, 78616, 78740, 79360, 80518, 81152, 81280, 98270, 101440, 125984, 130048, 157232, 157480, 158720, 161036, 162304, 162560, 196540, 201295, 202880, 251968, 260096, 314464, 314960, 317440, 322072, 324608, 325120, 393080, 402590, 405760, 503936, 628928, 629920, 644144, 649216, 650240, 786160, 805180, 811520, 1007872, 1248029, 1257856, 1259840, 1288288, 1300480, 1572320, 1610360, 1623040, 2015744, 2496058, 2515712, 2519680, 2576576, 3144640, 3220720, 3246080, 4031488, 4992116, 5031424, 5039360, 5153152, 6240145, 6289280, 6441440, 8062976, 9984232, 10062848, 10078720, 10306304, 12480290, 12578560, 12882880, 19968464, 20125696, 20157440, 20612608, 24960580, 25157120, 25765760, 39936928, 40314880, 41225216, 49921160, 50314240, 51531520, 79873856, 82450432, 99842320, 100628480, 103063040, 159747712, 199684640, 206126080, 319495424, 399369280, 412252160, 638990848, 798738560, 1277981696, 1597477120, 2555963392, 3194954240, 6389908480, 12779816960]

約数ペア:

[(1, 12779816960), (2, 6389908480), (4, 3194954240), (5, 2555963392), (8, 1597477120), (10, 1277981696), (16, 798738560), (20, 638990848), (31, 412252160), (32, 399369280), (40, 319495424), (62, 206126080), (64, 199684640), (80, 159747712), (124, 103063040), (127, 100628480), (128, 99842320), (155, 82450432), (160, 79873856), (248, 51531520), (254, 50314240), (256, 49921160), (310, 41225216), (317, 40314880), (320, 39936928), (496, 25765760), (508, 25157120), (512, 24960580), (620, 20612608), (634, 20157440), (635, 20125696), (640, 19968464), (992, 12882880), (1016, 12578560), (1024, 12480290), (1240, 10306304), (1268, 10078720), (1270, 10062848), (1280, 9984232), (1585, 8062976), (1984, 6441440), (2032, 6289280), (2048, 6240145), (2480, 5153152), (2536, 5039360), (2540, 5031424), (2560, 4992116), (3170, 4031488), (3937, 3246080), (3968, 3220720), (4064, 3144640), (4960, 2576576), (5072, 2519680), (5080, 2515712), (5120, 2496058), (6340, 2015744), (7874, 1623040), (7936, 1610360), (8128, 1572320), (9827, 1300480), (9920, 1288288), (10144, 1259840), (10160, 1257856), (10240, 1248029), (12680, 1007872), (15748, 811520), (15872, 805180), (16256, 786160), (19654, 650240), (19685, 649216), (19840, 644144), (20288, 629920), (20320, 628928), (25360, 503936), (31496, 405760), (31744, 402590), (32512, 393080), (39308, 325120), (39370, 324608), (39680, 322072), (40259, 317440), (40576, 314960), (40640, 314464), (49135, 260096), (50720, 251968), (62992, 202880), (63488, 201295), (65024, 196540), (78616, 162560), (78740, 162304), (79360, 161036), (80518, 158720), (81152, 157480), (81280, 157232), (98270, 130048), (101440, 125984)]