261743040

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6991}}^1$

素因数の和:7027

約数の個数: 168

約数和(自身を含む): 969678528

約数和(自身を除く): 707935488

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 64, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 192, 195, 208, 234, 240, 260, 288, 312, 320, 360, 390, 416, 468, 480, 520, 576, 585, 624, 720, 780, 832, 936, 960, 1040, 1170, 1248, 1440, 1560, 1872, 2080, 2340, 2496, 2880, 3120, 3744, 4160, 4680, 6240, 6991, 7488, 9360, 12480, 13982, 18720, 20973, 27964, 34955, 37440, 41946, 55928, 62919, 69910, 83892, 90883, 104865, 111856, 125838, 139820, 167784, 181766, 209730, 223712, 251676, 272649, 279640, 314595, 335568, 363532, 419460, 447424, 454415, 503352, 545298, 559280, 629190, 671136, 727064, 817947, 838920, 908830, 1006704, 1090596, 1118560, 1258380, 1342272, 1363245, 1454128, 1635894, 1677840, 1817660, 2013408, 2181192, 2237120, 2516760, 2726490, 2908256, 3271788, 3355680, 3635320, 4026816, 4089735, 4362384, 5033520, 5452980, 5816512, 6543576, 6711360, 7270640, 8179470, 8724768, 10067040, 10905960, 13087152, 14541280, 16358940, 17449536, 20134080, 21811920, 26174304, 29082560, 32717880, 43623840, 52348608, 65435760, 87247680, 130871520, 261743040]

約数ペア:

[(1, 261743040), (2, 130871520), (3, 87247680), (4, 65435760), (5, 52348608), (6, 43623840), (8, 32717880), (9, 29082560), (10, 26174304), (12, 21811920), (13, 20134080), (15, 17449536), (16, 16358940), (18, 14541280), (20, 13087152), (24, 10905960), (26, 10067040), (30, 8724768), (32, 8179470), (36, 7270640), (39, 6711360), (40, 6543576), (45, 5816512), (48, 5452980), (52, 5033520), (60, 4362384), (64, 4089735), (65, 4026816), (72, 3635320), (78, 3355680), (80, 3271788), (90, 2908256), (96, 2726490), (104, 2516760), (117, 2237120), (120, 2181192), (130, 2013408), (144, 1817660), (156, 1677840), (160, 1635894), (180, 1454128), (192, 1363245), (195, 1342272), (208, 1258380), (234, 1118560), (240, 1090596), (260, 1006704), (288, 908830), (312, 838920), (320, 817947), (360, 727064), (390, 671136), (416, 629190), (468, 559280), (480, 545298), (520, 503352), (576, 454415), (585, 447424), (624, 419460), (720, 363532), (780, 335568), (832, 314595), (936, 279640), (960, 272649), (1040, 251676), (1170, 223712), (1248, 209730), (1440, 181766), (1560, 167784), (1872, 139820), (2080, 125838), (2340, 111856), (2496, 104865), (2880, 90883), (3120, 83892), (3744, 69910), (4160, 62919), (4680, 55928), (6240, 41946), (6991, 37440), (7488, 34955), (9360, 27964), (12480, 20973), (13982, 18720)]