397232640

素因数分解:

$2^9\times 3^3\times 5^1\times 7^1\times {\mathrm{821}}^1$

素因数の和:860

約数の個数: 320

約数和(自身を含む): 1614539520

約数和(自身を除く): 1217306880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 256, 270, 280, 288, 315, 320, 336, 360, 378, 384, 420, 432, 448, 480, 504, 512, 540, 560, 576, 630, 640, 672, 720, 756, 768, 821, 840, 864, 896, 945, 960, 1008, 1080, 1120, 1152, 1260, 1280, 1344, 1440, 1512, 1536, 1642, 1680, 1728, 1792, 1890, 1920, 2016, 2160, 2240, 2304, 2463, 2520, 2560, 2688, 2880, 3024, 3284, 3360, 3456, 3584, 3780, 3840, 4032, 4105, 4320, 4480, 4608, 4926, 5040, 5376, 5747, 5760, 6048, 6568, 6720, 6912, 7389, 7560, 7680, 8064, 8210, 8640, 8960, 9852, 10080, 10752, 11494, 11520, 12096, 12315, 13136, 13440, 13824, 14778, 15120, 16128, 16420, 17241, 17280, 17920, 19704, 20160, 22167, 22988, 23040, 24192, 24630, 26272, 26880, 28735, 29556, 30240, 32256, 32840, 34482, 34560, 36945, 39408, 40320, 44334, 45976, 48384, 49260, 51723, 52544, 53760, 57470, 59112, 60480, 65680, 68964, 69120, 73890, 78816, 80640, 86205, 88668, 91952, 96768, 98520, 103446, 105088, 110835, 114940, 118224, 120960, 131360, 137928, 147780, 155169, 157632, 161280, 172410, 177336, 183904, 197040, 206892, 210176, 221670, 229880, 236448, 241920, 258615, 262720, 275856, 295560, 310338, 315264, 344820, 354672, 367808, 394080, 413784, 420352, 443340, 459760, 472896, 483840, 517230, 525440, 551712, 591120, 620676, 630528, 689640, 709344, 735616, 775845, 788160, 827568, 886680, 919520, 945792, 1034460, 1050880, 1103424, 1182240, 1241352, 1261056, 1379280, 1418688, 1471232, 1551690, 1576320, 1655136, 1773360, 1839040, 1891584, 2068920, 2101760, 2206848, 2364480, 2482704, 2758560, 2837376, 2942464, 3103380, 3152640, 3310272, 3546720, 3678080, 3783168, 4137840, 4413696, 4728960, 4965408, 5517120, 5674752, 6206760, 6305280, 6620544, 7093440, 7356160, 8275680, 8827392, 9457920, 9930816, 11034240, 11349504, 12413520, 13241088, 14186880, 14712320, 16551360, 18915840, 19861632, 22068480, 24827040, 26482176, 28373760, 33102720, 39723264, 44136960, 49654080, 56747520, 66205440, 79446528, 99308160, 132410880, 198616320, 397232640]

約数ペア:

[(1, 397232640), (2, 198616320), (3, 132410880), (4, 99308160), (5, 79446528), (6, 66205440), (7, 56747520), (8, 49654080), (9, 44136960), (10, 39723264), (12, 33102720), (14, 28373760), (15, 26482176), (16, 24827040), (18, 22068480), (20, 19861632), (21, 18915840), (24, 16551360), (27, 14712320), (28, 14186880), (30, 13241088), (32, 12413520), (35, 11349504), (36, 11034240), (40, 9930816), (42, 9457920), (45, 8827392), (48, 8275680), (54, 7356160), (56, 7093440), (60, 6620544), (63, 6305280), (64, 6206760), (70, 5674752), (72, 5517120), (80, 4965408), (84, 4728960), (90, 4413696), (96, 4137840), (105, 3783168), (108, 3678080), (112, 3546720), (120, 3310272), (126, 3152640), (128, 3103380), (135, 2942464), (140, 2837376), (144, 2758560), (160, 2482704), (168, 2364480), (180, 2206848), (189, 2101760), (192, 2068920), (210, 1891584), (216, 1839040), (224, 1773360), (240, 1655136), (252, 1576320), (256, 1551690), (270, 1471232), (280, 1418688), (288, 1379280), (315, 1261056), (320, 1241352), (336, 1182240), (360, 1103424), (378, 1050880), (384, 1034460), (420, 945792), (432, 919520), (448, 886680), (480, 827568), (504, 788160), (512, 775845), (540, 735616), (560, 709344), (576, 689640), (630, 630528), (640, 620676), (672, 591120), (720, 551712), (756, 525440), (768, 517230), (821, 483840), (840, 472896), (864, 459760), (896, 443340), (945, 420352), (960, 413784), (1008, 394080), (1080, 367808), (1120, 354672), (1152, 344820), (1260, 315264), (1280, 310338), (1344, 295560), (1440, 275856), (1512, 262720), (1536, 258615), (1642, 241920), (1680, 236448), (1728, 229880), (1792, 221670), (1890, 210176), (1920, 206892), (2016, 197040), (2160, 183904), (2240, 177336), (2304, 172410), (2463, 161280), (2520, 157632), (2560, 155169), (2688, 147780), (2880, 137928), (3024, 131360), (3284, 120960), (3360, 118224), (3456, 114940), (3584, 110835), (3780, 105088), (3840, 103446), (4032, 98520), (4105, 96768), (4320, 91952), (4480, 88668), (4608, 86205), (4926, 80640), (5040, 78816), (5376, 73890), (5747, 69120), (5760, 68964), (6048, 65680), (6568, 60480), (6720, 59112), (6912, 57470), (7389, 53760), (7560, 52544), (7680, 51723), (8064, 49260), (8210, 48384), (8640, 45976), (8960, 44334), (9852, 40320), (10080, 39408), (10752, 36945), (11494, 34560), (11520, 34482), (12096, 32840), (12315, 32256), (13136, 30240), (13440, 29556), (13824, 28735), (14778, 26880), (15120, 26272), (16128, 24630), (16420, 24192), (17241, 23040), (17280, 22988), (17920, 22167), (19704, 20160)]