260421120

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:245

約数の個数: 240

約数和(自身を含む): 919226880

約数和(自身を除く): 658805760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 89, 90, 96, 120, 127, 128, 144, 160, 178, 180, 192, 240, 254, 256, 267, 288, 320, 356, 360, 381, 384, 445, 480, 508, 512, 534, 576, 635, 640, 712, 720, 762, 768, 801, 890, 960, 1016, 1068, 1143, 1152, 1270, 1280, 1335, 1424, 1440, 1524, 1536, 1602, 1780, 1905, 1920, 2032, 2136, 2286, 2304, 2540, 2560, 2670, 2848, 2880, 3048, 3204, 3560, 3810, 3840, 4005, 4064, 4272, 4572, 4608, 5080, 5340, 5696, 5715, 5760, 6096, 6408, 7120, 7620, 7680, 8010, 8128, 8544, 9144, 10160, 10680, 11303, 11392, 11430, 11520, 12192, 12816, 14240, 15240, 16020, 16256, 17088, 18288, 20320, 21360, 22606, 22784, 22860, 23040, 24384, 25632, 28480, 30480, 32040, 32512, 33909, 34176, 36576, 40640, 42720, 45212, 45568, 45720, 48768, 51264, 56515, 56960, 60960, 64080, 65024, 67818, 68352, 73152, 81280, 85440, 90424, 91440, 97536, 101727, 102528, 113030, 113920, 121920, 128160, 135636, 136704, 146304, 162560, 169545, 170880, 180848, 182880, 195072, 203454, 205056, 226060, 227840, 243840, 256320, 271272, 292608, 325120, 339090, 341760, 361696, 365760, 406908, 410112, 452120, 487680, 508635, 512640, 542544, 585216, 678180, 683520, 723392, 731520, 813816, 904240, 975360, 1017270, 1025280, 1085088, 1356360, 1446784, 1463040, 1627632, 1808480, 2034540, 2050560, 2170176, 2712720, 2893568, 2926080, 3255264, 3616960, 4069080, 4340352, 5425440, 5787136, 6510528, 7233920, 8138160, 8680704, 10850880, 13021056, 14467840, 16276320, 17361408, 21701760, 26042112, 28935680, 32552640, 43403520, 52084224, 65105280, 86807040, 130210560, 260421120]

約数ペア:

[(1, 260421120), (2, 130210560), (3, 86807040), (4, 65105280), (5, 52084224), (6, 43403520), (8, 32552640), (9, 28935680), (10, 26042112), (12, 21701760), (15, 17361408), (16, 16276320), (18, 14467840), (20, 13021056), (24, 10850880), (30, 8680704), (32, 8138160), (36, 7233920), (40, 6510528), (45, 5787136), (48, 5425440), (60, 4340352), (64, 4069080), (72, 3616960), (80, 3255264), (89, 2926080), (90, 2893568), (96, 2712720), (120, 2170176), (127, 2050560), (128, 2034540), (144, 1808480), (160, 1627632), (178, 1463040), (180, 1446784), (192, 1356360), (240, 1085088), (254, 1025280), (256, 1017270), (267, 975360), (288, 904240), (320, 813816), (356, 731520), (360, 723392), (381, 683520), (384, 678180), (445, 585216), (480, 542544), (508, 512640), (512, 508635), (534, 487680), (576, 452120), (635, 410112), (640, 406908), (712, 365760), (720, 361696), (762, 341760), (768, 339090), (801, 325120), (890, 292608), (960, 271272), (1016, 256320), (1068, 243840), (1143, 227840), (1152, 226060), (1270, 205056), (1280, 203454), (1335, 195072), (1424, 182880), (1440, 180848), (1524, 170880), (1536, 169545), (1602, 162560), (1780, 146304), (1905, 136704), (1920, 135636), (2032, 128160), (2136, 121920), (2286, 113920), (2304, 113030), (2540, 102528), (2560, 101727), (2670, 97536), (2848, 91440), (2880, 90424), (3048, 85440), (3204, 81280), (3560, 73152), (3810, 68352), (3840, 67818), (4005, 65024), (4064, 64080), (4272, 60960), (4572, 56960), (4608, 56515), (5080, 51264), (5340, 48768), (5696, 45720), (5715, 45568), (5760, 45212), (6096, 42720), (6408, 40640), (7120, 36576), (7620, 34176), (7680, 33909), (8010, 32512), (8128, 32040), (8544, 30480), (9144, 28480), (10160, 25632), (10680, 24384), (11303, 23040), (11392, 22860), (11430, 22784), (11520, 22606), (12192, 21360), (12816, 20320), (14240, 18288), (15240, 17088), (16020, 16256)]