217848960

素因数分解:

$2^7\times 3^3\times 5^1\times 7^1\times {\mathrm{1801}}^1$

素因数の和:1836

約数の個数: 256

約数和(自身を含む): 882259200

約数和(自身を除く): 664410240

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, 270, 280, 288, 315, 320, 336, 360, 378, 384, 420, 432, 448, 480, 504, 540, 560, 576, 630, 640, 672, 720, 756, 840, 864, 896, 945, 960, 1008, 1080, 1120, 1152, 1260, 1344, 1440, 1512, 1680, 1728, 1801, 1890, 1920, 2016, 2160, 2240, 2520, 2688, 2880, 3024, 3360, 3456, 3602, 3780, 4032, 4320, 4480, 5040, 5403, 5760, 6048, 6720, 7204, 7560, 8064, 8640, 9005, 10080, 10806, 12096, 12607, 13440, 14408, 15120, 16209, 17280, 18010, 20160, 21612, 24192, 25214, 27015, 28816, 30240, 32418, 36020, 37821, 40320, 43224, 48627, 50428, 54030, 57632, 60480, 63035, 64836, 72040, 75642, 81045, 86448, 97254, 100856, 108060, 113463, 115264, 120960, 126070, 129672, 144080, 151284, 162090, 172896, 189105, 194508, 201712, 216120, 226926, 230528, 243135, 252140, 259344, 288160, 302568, 324180, 340389, 345792, 378210, 389016, 403424, 432240, 453852, 486270, 504280, 518688, 567315, 576320, 605136, 648360, 680778, 691584, 756420, 778032, 806848, 864480, 907704, 972540, 1008560, 1037376, 1134630, 1152640, 1210272, 1296720, 1361556, 1512840, 1556064, 1613696, 1701945, 1728960, 1815408, 1945080, 2017120, 2074752, 2269260, 2420544, 2593440, 2723112, 3025680, 3112128, 3403890, 3457920, 3630816, 3890160, 4034240, 4538520, 4841088, 5186880, 5446224, 6051360, 6224256, 6807780, 7261632, 7780320, 8068480, 9077040, 10373760, 10892448, 12102720, 13615560, 14523264, 15560640, 18154080, 21784896, 24205440, 27231120, 31121280, 36308160, 43569792, 54462240, 72616320, 108924480, 217848960]

約数ペア:

[(1, 217848960), (2, 108924480), (3, 72616320), (4, 54462240), (5, 43569792), (6, 36308160), (7, 31121280), (8, 27231120), (9, 24205440), (10, 21784896), (12, 18154080), (14, 15560640), (15, 14523264), (16, 13615560), (18, 12102720), (20, 10892448), (21, 10373760), (24, 9077040), (27, 8068480), (28, 7780320), (30, 7261632), (32, 6807780), (35, 6224256), (36, 6051360), (40, 5446224), (42, 5186880), (45, 4841088), (48, 4538520), (54, 4034240), (56, 3890160), (60, 3630816), (63, 3457920), (64, 3403890), (70, 3112128), (72, 3025680), (80, 2723112), (84, 2593440), (90, 2420544), (96, 2269260), (105, 2074752), (108, 2017120), (112, 1945080), (120, 1815408), (126, 1728960), (128, 1701945), (135, 1613696), (140, 1556064), (144, 1512840), (160, 1361556), (168, 1296720), (180, 1210272), (189, 1152640), (192, 1134630), (210, 1037376), (216, 1008560), (224, 972540), (240, 907704), (252, 864480), (270, 806848), (280, 778032), (288, 756420), (315, 691584), (320, 680778), (336, 648360), (360, 605136), (378, 576320), (384, 567315), (420, 518688), (432, 504280), (448, 486270), (480, 453852), (504, 432240), (540, 403424), (560, 389016), (576, 378210), (630, 345792), (640, 340389), (672, 324180), (720, 302568), (756, 288160), (840, 259344), (864, 252140), (896, 243135), (945, 230528), (960, 226926), (1008, 216120), (1080, 201712), (1120, 194508), (1152, 189105), (1260, 172896), (1344, 162090), (1440, 151284), (1512, 144080), (1680, 129672), (1728, 126070), (1801, 120960), (1890, 115264), (1920, 113463), (2016, 108060), (2160, 100856), (2240, 97254), (2520, 86448), (2688, 81045), (2880, 75642), (3024, 72040), (3360, 64836), (3456, 63035), (3602, 60480), (3780, 57632), (4032, 54030), (4320, 50428), (4480, 48627), (5040, 43224), (5403, 40320), (5760, 37821), (6048, 36020), (6720, 32418), (7204, 30240), (7560, 28816), (8064, 27015), (8640, 25214), (9005, 24192), (10080, 21612), (10806, 20160), (12096, 18010), (12607, 17280), (13440, 16209), (14408, 15120)]