171221760

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1$

素因数の和:283

約数の個数: 216

約数和(自身を含む): 602652960

約数和(自身を除く): 431431200

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, 128, 144, 160, 167, 178, 180, 192, 240, 256, 267, 288, 320, 334, 356, 360, 384, 445, 480, 501, 534, 576, 640, 668, 712, 720, 768, 801, 835, 890, 960, 1002, 1068, 1152, 1280, 1335, 1336, 1424, 1440, 1503, 1602, 1670, 1780, 1920, 2004, 2136, 2304, 2505, 2670, 2672, 2848, 2880, 3006, 3204, 3340, 3560, 3840, 4005, 4008, 4272, 5010, 5340, 5344, 5696, 5760, 6012, 6408, 6680, 7120, 7515, 8010, 8016, 8544, 10020, 10680, 10688, 11392, 11520, 12024, 12816, 13360, 14240, 14863, 15030, 16020, 16032, 17088, 20040, 21360, 21376, 22784, 24048, 25632, 26720, 28480, 29726, 30060, 32040, 32064, 34176, 40080, 42720, 42752, 44589, 48096, 51264, 53440, 56960, 59452, 60120, 64080, 64128, 68352, 74315, 80160, 85440, 89178, 96192, 102528, 106880, 113920, 118904, 120240, 128160, 128256, 133767, 148630, 160320, 170880, 178356, 192384, 205056, 213760, 222945, 237808, 240480, 256320, 267534, 297260, 320640, 341760, 356712, 384768, 445890, 475616, 480960, 512640, 535068, 594520, 641280, 668835, 713424, 891780, 951232, 961920, 1025280, 1070136, 1189040, 1337670, 1426848, 1783560, 1902464, 1923840, 2140272, 2378080, 2675340, 2853696, 3567120, 3804928, 4280544, 4756160, 5350680, 5707392, 7134240, 8561088, 9512320, 10701360, 11414784, 14268480, 17122176, 19024640, 21402720, 28536960, 34244352, 42805440, 57073920, 85610880, 171221760]

約数ペア:

[(1, 171221760), (2, 85610880), (3, 57073920), (4, 42805440), (5, 34244352), (6, 28536960), (8, 21402720), (9, 19024640), (10, 17122176), (12, 14268480), (15, 11414784), (16, 10701360), (18, 9512320), (20, 8561088), (24, 7134240), (30, 5707392), (32, 5350680), (36, 4756160), (40, 4280544), (45, 3804928), (48, 3567120), (60, 2853696), (64, 2675340), (72, 2378080), (80, 2140272), (89, 1923840), (90, 1902464), (96, 1783560), (120, 1426848), (128, 1337670), (144, 1189040), (160, 1070136), (167, 1025280), (178, 961920), (180, 951232), (192, 891780), (240, 713424), (256, 668835), (267, 641280), (288, 594520), (320, 535068), (334, 512640), (356, 480960), (360, 475616), (384, 445890), (445, 384768), (480, 356712), (501, 341760), (534, 320640), (576, 297260), (640, 267534), (668, 256320), (712, 240480), (720, 237808), (768, 222945), (801, 213760), (835, 205056), (890, 192384), (960, 178356), (1002, 170880), (1068, 160320), (1152, 148630), (1280, 133767), (1335, 128256), (1336, 128160), (1424, 120240), (1440, 118904), (1503, 113920), (1602, 106880), (1670, 102528), (1780, 96192), (1920, 89178), (2004, 85440), (2136, 80160), (2304, 74315), (2505, 68352), (2670, 64128), (2672, 64080), (2848, 60120), (2880, 59452), (3006, 56960), (3204, 53440), (3340, 51264), (3560, 48096), (3840, 44589), (4005, 42752), (4008, 42720), (4272, 40080), (5010, 34176), (5340, 32064), (5344, 32040), (5696, 30060), (5760, 29726), (6012, 28480), (6408, 26720), (6680, 25632), (7120, 24048), (7515, 22784), (8010, 21376), (8016, 21360), (8544, 20040), (10020, 17088), (10680, 16032), (10688, 16020), (11392, 15030), (11520, 14863), (12024, 14240), (12816, 13360)]