278151840

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{67}}^1$

素因数の和:153

約数の個数: 288

約数和(自身を含む): 1020962880

約数和(自身を除く): 742811040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 62, 67, 72, 80, 90, 93, 96, 108, 120, 124, 134, 135, 144, 155, 160, 180, 186, 201, 216, 240, 248, 268, 270, 279, 288, 310, 335, 360, 372, 402, 432, 465, 480, 496, 536, 540, 558, 603, 620, 670, 720, 744, 804, 837, 864, 930, 961, 992, 1005, 1072, 1080, 1116, 1206, 1240, 1340, 1395, 1440, 1488, 1608, 1674, 1809, 1860, 1922, 2010, 2077, 2144, 2160, 2232, 2412, 2480, 2680, 2790, 2883, 2976, 3015, 3216, 3348, 3618, 3720, 3844, 4020, 4154, 4185, 4320, 4464, 4805, 4824, 4960, 5360, 5580, 5766, 6030, 6231, 6432, 6696, 7236, 7440, 7688, 8040, 8308, 8370, 8649, 8928, 9045, 9610, 9648, 10385, 10720, 11160, 11532, 12060, 12462, 13392, 14415, 14472, 14880, 15376, 16080, 16616, 16740, 17298, 18090, 18693, 19220, 19296, 20770, 22320, 23064, 24120, 24924, 25947, 26784, 28830, 28944, 30752, 31155, 32160, 33232, 33480, 34596, 36180, 37386, 38440, 41540, 43245, 44640, 46128, 48240, 49848, 51894, 56079, 57660, 57888, 62310, 64387, 66464, 66960, 69192, 72360, 74772, 76880, 83080, 86490, 92256, 93465, 96480, 99696, 103788, 112158, 115320, 124620, 128774, 129735, 133920, 138384, 144720, 149544, 153760, 166160, 172980, 186930, 193161, 199392, 207576, 224316, 230640, 249240, 257548, 259470, 276768, 280395, 289440, 299088, 321935, 332320, 345960, 373860, 386322, 415152, 448632, 461280, 498480, 515096, 518940, 560790, 579483, 598176, 643870, 691920, 747720, 772644, 830304, 897264, 965805, 996960, 1030192, 1037880, 1121580, 1158966, 1287740, 1383840, 1495440, 1545288, 1738449, 1794528, 1931610, 2060384, 2075760, 2243160, 2317932, 2575480, 2897415, 2990880, 3090576, 3476898, 3863220, 4151520, 4486320, 4635864, 5150960, 5794830, 6181152, 6953796, 7726440, 8692245, 8972640, 9271728, 10301920, 11589660, 13907592, 15452880, 17384490, 18543456, 23179320, 27815184, 30905760, 34768980, 46358640, 55630368, 69537960, 92717280, 139075920, 278151840]

約数ペア:

[(1, 278151840), (2, 139075920), (3, 92717280), (4, 69537960), (5, 55630368), (6, 46358640), (8, 34768980), (9, 30905760), (10, 27815184), (12, 23179320), (15, 18543456), (16, 17384490), (18, 15452880), (20, 13907592), (24, 11589660), (27, 10301920), (30, 9271728), (31, 8972640), (32, 8692245), (36, 7726440), (40, 6953796), (45, 6181152), (48, 5794830), (54, 5150960), (60, 4635864), (62, 4486320), (67, 4151520), (72, 3863220), (80, 3476898), (90, 3090576), (93, 2990880), (96, 2897415), (108, 2575480), (120, 2317932), (124, 2243160), (134, 2075760), (135, 2060384), (144, 1931610), (155, 1794528), (160, 1738449), (180, 1545288), (186, 1495440), (201, 1383840), (216, 1287740), (240, 1158966), (248, 1121580), (268, 1037880), (270, 1030192), (279, 996960), (288, 965805), (310, 897264), (335, 830304), (360, 772644), (372, 747720), (402, 691920), (432, 643870), (465, 598176), (480, 579483), (496, 560790), (536, 518940), (540, 515096), (558, 498480), (603, 461280), (620, 448632), (670, 415152), (720, 386322), (744, 373860), (804, 345960), (837, 332320), (864, 321935), (930, 299088), (961, 289440), (992, 280395), (1005, 276768), (1072, 259470), (1080, 257548), (1116, 249240), (1206, 230640), (1240, 224316), (1340, 207576), (1395, 199392), (1440, 193161), (1488, 186930), (1608, 172980), (1674, 166160), (1809, 153760), (1860, 149544), (1922, 144720), (2010, 138384), (2077, 133920), (2144, 129735), (2160, 128774), (2232, 124620), (2412, 115320), (2480, 112158), (2680, 103788), (2790, 99696), (2883, 96480), (2976, 93465), (3015, 92256), (3216, 86490), (3348, 83080), (3618, 76880), (3720, 74772), (3844, 72360), (4020, 69192), (4154, 66960), (4185, 66464), (4320, 64387), (4464, 62310), (4805, 57888), (4824, 57660), (4960, 56079), (5360, 51894), (5580, 49848), (5766, 48240), (6030, 46128), (6231, 44640), (6432, 43245), (6696, 41540), (7236, 38440), (7440, 37386), (7688, 36180), (8040, 34596), (8308, 33480), (8370, 33232), (8649, 32160), (8928, 31155), (9045, 30752), (9610, 28944), (9648, 28830), (10385, 26784), (10720, 25947), (11160, 24924), (11532, 24120), (12060, 23064), (12462, 22320), (13392, 20770), (14415, 19296), (14472, 19220), (14880, 18693), (15376, 18090), (16080, 17298), (16616, 16740)]