81699120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{233}}^1\times {\mathrm{487}}^1$

素因数の和:739

約数の個数: 120

約数和(自身を含む): 276116256

約数和(自身を除く): 194417136

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 233, 240, 360, 466, 487, 699, 720, 932, 974, 1165, 1398, 1461, 1864, 1948, 2097, 2330, 2435, 2796, 2922, 3495, 3728, 3896, 4194, 4383, 4660, 4870, 5592, 5844, 6990, 7305, 7792, 8388, 8766, 9320, 9740, 10485, 11184, 11688, 13980, 14610, 16776, 17532, 18640, 19480, 20970, 21915, 23376, 27960, 29220, 33552, 35064, 38960, 41940, 43830, 55920, 58440, 70128, 83880, 87660, 113471, 116880, 167760, 175320, 226942, 340413, 350640, 453884, 567355, 680826, 907768, 1021239, 1134710, 1361652, 1702065, 1815536, 2042478, 2269420, 2723304, 3404130, 4084956, 4538840, 5106195, 5446608, 6808260, 8169912, 9077680, 10212390, 13616520, 16339824, 20424780, 27233040, 40849560, 81699120]

約数ペア:

[(1, 81699120), (2, 40849560), (3, 27233040), (4, 20424780), (5, 16339824), (6, 13616520), (8, 10212390), (9, 9077680), (10, 8169912), (12, 6808260), (15, 5446608), (16, 5106195), (18, 4538840), (20, 4084956), (24, 3404130), (30, 2723304), (36, 2269420), (40, 2042478), (45, 1815536), (48, 1702065), (60, 1361652), (72, 1134710), (80, 1021239), (90, 907768), (120, 680826), (144, 567355), (180, 453884), (233, 350640), (240, 340413), (360, 226942), (466, 175320), (487, 167760), (699, 116880), (720, 113471), (932, 87660), (974, 83880), (1165, 70128), (1398, 58440), (1461, 55920), (1864, 43830), (1948, 41940), (2097, 38960), (2330, 35064), (2435, 33552), (2796, 29220), (2922, 27960), (3495, 23376), (3728, 21915), (3896, 20970), (4194, 19480), (4383, 18640), (4660, 17532), (4870, 16776), (5592, 14610), (5844, 13980), (6990, 11688), (7305, 11184), (7792, 10485), (8388, 9740), (8766, 9320)]