261064320

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{263}}^1$

素因数の和:343

約数の個数: 256

約数和(自身を含む): 930631680

約数和(自身を除く): 669567360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 47, 48, 55, 60, 64, 66, 80, 88, 94, 96, 110, 120, 128, 132, 141, 160, 165, 176, 188, 192, 220, 235, 240, 263, 264, 282, 320, 330, 352, 376, 384, 440, 470, 480, 517, 526, 528, 564, 640, 660, 704, 705, 752, 789, 880, 940, 960, 1034, 1052, 1056, 1128, 1315, 1320, 1408, 1410, 1504, 1551, 1578, 1760, 1880, 1920, 2068, 2104, 2112, 2256, 2585, 2630, 2640, 2820, 2893, 3008, 3102, 3156, 3520, 3760, 3945, 4136, 4208, 4224, 4512, 5170, 5260, 5280, 5640, 5786, 6016, 6204, 6312, 7040, 7520, 7755, 7890, 8272, 8416, 8679, 9024, 10340, 10520, 10560, 11280, 11572, 12361, 12408, 12624, 14465, 15040, 15510, 15780, 16544, 16832, 17358, 18048, 20680, 21040, 21120, 22560, 23144, 24722, 24816, 25248, 28930, 30080, 31020, 31560, 33088, 33664, 34716, 37083, 41360, 42080, 43395, 45120, 46288, 49444, 49632, 50496, 57860, 61805, 62040, 63120, 66176, 69432, 74166, 82720, 84160, 86790, 90240, 92576, 98888, 99264, 100992, 115720, 123610, 124080, 126240, 135971, 138864, 148332, 165440, 168320, 173580, 185152, 185415, 197776, 198528, 231440, 247220, 248160, 252480, 271942, 277728, 296664, 330880, 347160, 370304, 370830, 395552, 407913, 462880, 494440, 496320, 504960, 543884, 555456, 593328, 679855, 694320, 741660, 791104, 815826, 925760, 988880, 992640, 1087768, 1110912, 1186656, 1359710, 1388640, 1483320, 1582208, 1631652, 1851520, 1977760, 2039565, 2175536, 2373312, 2719420, 2777280, 2966640, 3263304, 3955520, 4079130, 4351072, 4746624, 5438840, 5554560, 5933280, 6526608, 7911040, 8158260, 8702144, 10877680, 11866560, 13053216, 16316520, 17404288, 21755360, 23733120, 26106432, 32633040, 43510720, 52212864, 65266080, 87021440, 130532160, 261064320]

約数ペア:

[(1, 261064320), (2, 130532160), (3, 87021440), (4, 65266080), (5, 52212864), (6, 43510720), (8, 32633040), (10, 26106432), (11, 23733120), (12, 21755360), (15, 17404288), (16, 16316520), (20, 13053216), (22, 11866560), (24, 10877680), (30, 8702144), (32, 8158260), (33, 7911040), (40, 6526608), (44, 5933280), (47, 5554560), (48, 5438840), (55, 4746624), (60, 4351072), (64, 4079130), (66, 3955520), (80, 3263304), (88, 2966640), (94, 2777280), (96, 2719420), (110, 2373312), (120, 2175536), (128, 2039565), (132, 1977760), (141, 1851520), (160, 1631652), (165, 1582208), (176, 1483320), (188, 1388640), (192, 1359710), (220, 1186656), (235, 1110912), (240, 1087768), (263, 992640), (264, 988880), (282, 925760), (320, 815826), (330, 791104), (352, 741660), (376, 694320), (384, 679855), (440, 593328), (470, 555456), (480, 543884), (517, 504960), (526, 496320), (528, 494440), (564, 462880), (640, 407913), (660, 395552), (704, 370830), (705, 370304), (752, 347160), (789, 330880), (880, 296664), (940, 277728), (960, 271942), (1034, 252480), (1052, 248160), (1056, 247220), (1128, 231440), (1315, 198528), (1320, 197776), (1408, 185415), (1410, 185152), (1504, 173580), (1551, 168320), (1578, 165440), (1760, 148332), (1880, 138864), (1920, 135971), (2068, 126240), (2104, 124080), (2112, 123610), (2256, 115720), (2585, 100992), (2630, 99264), (2640, 98888), (2820, 92576), (2893, 90240), (3008, 86790), (3102, 84160), (3156, 82720), (3520, 74166), (3760, 69432), (3945, 66176), (4136, 63120), (4208, 62040), (4224, 61805), (4512, 57860), (5170, 50496), (5260, 49632), (5280, 49444), (5640, 46288), (5786, 45120), (6016, 43395), (6204, 42080), (6312, 41360), (7040, 37083), (7520, 34716), (7755, 33664), (7890, 33088), (8272, 31560), (8416, 31020), (8679, 30080), (9024, 28930), (10340, 25248), (10520, 24816), (10560, 24722), (11280, 23144), (11572, 22560), (12361, 21120), (12408, 21040), (12624, 20680), (14465, 18048), (15040, 17358), (15510, 16832), (15780, 16544)]