217393920

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{167}}^1$

素因数の和:307

約数の個数: 216

約数和(自身を含む): 763360416

約数和(自身を除く): 545966496

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, 90, 96, 113, 120, 128, 144, 160, 167, 180, 192, 226, 240, 256, 288, 320, 334, 339, 360, 384, 452, 480, 501, 565, 576, 640, 668, 678, 720, 768, 835, 904, 960, 1002, 1017, 1130, 1152, 1280, 1336, 1356, 1440, 1503, 1670, 1695, 1808, 1920, 2004, 2034, 2260, 2304, 2505, 2672, 2712, 2880, 3006, 3340, 3390, 3616, 3840, 4008, 4068, 4520, 5010, 5085, 5344, 5424, 5760, 6012, 6680, 6780, 7232, 7515, 8016, 8136, 9040, 10020, 10170, 10688, 10848, 11520, 12024, 13360, 13560, 14464, 15030, 16032, 16272, 18080, 18871, 20040, 20340, 21376, 21696, 24048, 26720, 27120, 28928, 30060, 32064, 32544, 36160, 37742, 40080, 40680, 42752, 43392, 48096, 53440, 54240, 56613, 60120, 64128, 65088, 72320, 75484, 80160, 81360, 86784, 94355, 96192, 106880, 108480, 113226, 120240, 128256, 130176, 144640, 150968, 160320, 162720, 169839, 188710, 192384, 213760, 216960, 226452, 240480, 260352, 283065, 301936, 320640, 325440, 339678, 377420, 384768, 433920, 452904, 480960, 566130, 603872, 641280, 650880, 679356, 754840, 849195, 905808, 961920, 1132260, 1207744, 1301760, 1358712, 1509680, 1698390, 1811616, 1923840, 2264520, 2415488, 2717424, 3019360, 3396780, 3623232, 4529040, 4830976, 5434848, 6038720, 6793560, 7246464, 9058080, 10869696, 12077440, 13587120, 14492928, 18116160, 21739392, 24154880, 27174240, 36232320, 43478784, 54348480, 72464640, 108696960, 217393920]

約数ペア:

[(1, 217393920), (2, 108696960), (3, 72464640), (4, 54348480), (5, 43478784), (6, 36232320), (8, 27174240), (9, 24154880), (10, 21739392), (12, 18116160), (15, 14492928), (16, 13587120), (18, 12077440), (20, 10869696), (24, 9058080), (30, 7246464), (32, 6793560), (36, 6038720), (40, 5434848), (45, 4830976), (48, 4529040), (60, 3623232), (64, 3396780), (72, 3019360), (80, 2717424), (90, 2415488), (96, 2264520), (113, 1923840), (120, 1811616), (128, 1698390), (144, 1509680), (160, 1358712), (167, 1301760), (180, 1207744), (192, 1132260), (226, 961920), (240, 905808), (256, 849195), (288, 754840), (320, 679356), (334, 650880), (339, 641280), (360, 603872), (384, 566130), (452, 480960), (480, 452904), (501, 433920), (565, 384768), (576, 377420), (640, 339678), (668, 325440), (678, 320640), (720, 301936), (768, 283065), (835, 260352), (904, 240480), (960, 226452), (1002, 216960), (1017, 213760), (1130, 192384), (1152, 188710), (1280, 169839), (1336, 162720), (1356, 160320), (1440, 150968), (1503, 144640), (1670, 130176), (1695, 128256), (1808, 120240), (1920, 113226), (2004, 108480), (2034, 106880), (2260, 96192), (2304, 94355), (2505, 86784), (2672, 81360), (2712, 80160), (2880, 75484), (3006, 72320), (3340, 65088), (3390, 64128), (3616, 60120), (3840, 56613), (4008, 54240), (4068, 53440), (4520, 48096), (5010, 43392), (5085, 42752), (5344, 40680), (5424, 40080), (5760, 37742), (6012, 36160), (6680, 32544), (6780, 32064), (7232, 30060), (7515, 28928), (8016, 27120), (8136, 26720), (9040, 24048), (10020, 21696), (10170, 21376), (10688, 20340), (10848, 20040), (11520, 18871), (12024, 18080), (13360, 16272), (13560, 16032), (14464, 15030)]