217934640

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3931}}^1$

素因数の和:3968

約数の個数: 240

約数和(自身を含む): 912727296

約数和(自身を除く): 694792656

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 28, 30, 33, 35, 36, 40, 42, 44, 45, 48, 55, 56, 60, 63, 66, 70, 72, 77, 80, 84, 88, 90, 99, 105, 110, 112, 120, 126, 132, 140, 144, 154, 165, 168, 176, 180, 198, 210, 220, 231, 240, 252, 264, 280, 308, 315, 330, 336, 360, 385, 396, 420, 440, 462, 495, 504, 528, 560, 616, 630, 660, 693, 720, 770, 792, 840, 880, 924, 990, 1008, 1155, 1232, 1260, 1320, 1386, 1540, 1584, 1680, 1848, 1980, 2310, 2520, 2640, 2772, 3080, 3465, 3696, 3931, 3960, 4620, 5040, 5544, 6160, 6930, 7862, 7920, 9240, 11088, 11793, 13860, 15724, 18480, 19655, 23586, 27517, 27720, 31448, 35379, 39310, 43241, 47172, 55034, 55440, 58965, 62896, 70758, 78620, 82551, 86482, 94344, 110068, 117930, 129723, 137585, 141516, 157240, 165102, 172964, 176895, 188688, 216205, 220136, 235860, 247653, 259446, 275170, 283032, 302687, 314480, 330204, 345928, 353790, 389169, 412755, 432410, 440272, 471720, 495306, 518892, 550340, 566064, 605374, 648615, 660408, 691856, 707580, 778338, 825510, 864820, 908061, 943440, 990612, 1037784, 1100680, 1210748, 1238265, 1297230, 1320816, 1415160, 1513435, 1556676, 1651020, 1729640, 1816122, 1945845, 1981224, 2075568, 2201360, 2421496, 2476530, 2594460, 2724183, 2830320, 3026870, 3113352, 3302040, 3459280, 3632244, 3891690, 3962448, 4540305, 4842992, 4953060, 5188920, 5448366, 6053740, 6226704, 6604080, 7264488, 7783380, 9080610, 9906120, 10377840, 10896732, 12107480, 13620915, 14528976, 15566760, 18161220, 19812240, 21793464, 24214960, 27241830, 31133520, 36322440, 43586928, 54483660, 72644880, 108967320, 217934640]

約数ペア:

[(1, 217934640), (2, 108967320), (3, 72644880), (4, 54483660), (5, 43586928), (6, 36322440), (7, 31133520), (8, 27241830), (9, 24214960), (10, 21793464), (11, 19812240), (12, 18161220), (14, 15566760), (15, 14528976), (16, 13620915), (18, 12107480), (20, 10896732), (21, 10377840), (22, 9906120), (24, 9080610), (28, 7783380), (30, 7264488), (33, 6604080), (35, 6226704), (36, 6053740), (40, 5448366), (42, 5188920), (44, 4953060), (45, 4842992), (48, 4540305), (55, 3962448), (56, 3891690), (60, 3632244), (63, 3459280), (66, 3302040), (70, 3113352), (72, 3026870), (77, 2830320), (80, 2724183), (84, 2594460), (88, 2476530), (90, 2421496), (99, 2201360), (105, 2075568), (110, 1981224), (112, 1945845), (120, 1816122), (126, 1729640), (132, 1651020), (140, 1556676), (144, 1513435), (154, 1415160), (165, 1320816), (168, 1297230), (176, 1238265), (180, 1210748), (198, 1100680), (210, 1037784), (220, 990612), (231, 943440), (240, 908061), (252, 864820), (264, 825510), (280, 778338), (308, 707580), (315, 691856), (330, 660408), (336, 648615), (360, 605374), (385, 566064), (396, 550340), (420, 518892), (440, 495306), (462, 471720), (495, 440272), (504, 432410), (528, 412755), (560, 389169), (616, 353790), (630, 345928), (660, 330204), (693, 314480), (720, 302687), (770, 283032), (792, 275170), (840, 259446), (880, 247653), (924, 235860), (990, 220136), (1008, 216205), (1155, 188688), (1232, 176895), (1260, 172964), (1320, 165102), (1386, 157240), (1540, 141516), (1584, 137585), (1680, 129723), (1848, 117930), (1980, 110068), (2310, 94344), (2520, 86482), (2640, 82551), (2772, 78620), (3080, 70758), (3465, 62896), (3696, 58965), (3931, 55440), (3960, 55034), (4620, 47172), (5040, 43241), (5544, 39310), (6160, 35379), (6930, 31448), (7862, 27720), (7920, 27517), (9240, 23586), (11088, 19655), (11793, 18480), (13860, 15724)]