51461280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2749}}^1$

素因数の和:2783

約数の個数: 144

約数和(自身を含む): 189189000

約数和(自身を除く): 137727720

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, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 195, 208, 234, 240, 260, 288, 312, 360, 390, 416, 468, 480, 520, 585, 624, 720, 780, 936, 1040, 1170, 1248, 1440, 1560, 1872, 2080, 2340, 2749, 3120, 3744, 4680, 5498, 6240, 8247, 9360, 10996, 13745, 16494, 18720, 21992, 24741, 27490, 32988, 35737, 41235, 43984, 49482, 54980, 65976, 71474, 82470, 87968, 98964, 107211, 109960, 123705, 131952, 142948, 164940, 178685, 197928, 214422, 219920, 247410, 263904, 285896, 321633, 329880, 357370, 395856, 428844, 439840, 494820, 536055, 571792, 643266, 659760, 714740, 791712, 857688, 989640, 1072110, 1143584, 1286532, 1319520, 1429480, 1608165, 1715376, 1979280, 2144220, 2573064, 2858960, 3216330, 3430752, 3958560, 4288440, 5146128, 5717920, 6432660, 8576880, 10292256, 12865320, 17153760, 25730640, 51461280]

約数ペア:

[(1, 51461280), (2, 25730640), (3, 17153760), (4, 12865320), (5, 10292256), (6, 8576880), (8, 6432660), (9, 5717920), (10, 5146128), (12, 4288440), (13, 3958560), (15, 3430752), (16, 3216330), (18, 2858960), (20, 2573064), (24, 2144220), (26, 1979280), (30, 1715376), (32, 1608165), (36, 1429480), (39, 1319520), (40, 1286532), (45, 1143584), (48, 1072110), (52, 989640), (60, 857688), (65, 791712), (72, 714740), (78, 659760), (80, 643266), (90, 571792), (96, 536055), (104, 494820), (117, 439840), (120, 428844), (130, 395856), (144, 357370), (156, 329880), (160, 321633), (180, 285896), (195, 263904), (208, 247410), (234, 219920), (240, 214422), (260, 197928), (288, 178685), (312, 164940), (360, 142948), (390, 131952), (416, 123705), (468, 109960), (480, 107211), (520, 98964), (585, 87968), (624, 82470), (720, 71474), (780, 65976), (936, 54980), (1040, 49482), (1170, 43984), (1248, 41235), (1440, 35737), (1560, 32988), (1872, 27490), (2080, 24741), (2340, 21992), (2749, 18720), (3120, 16494), (3744, 13745), (4680, 10996), (5498, 9360), (6240, 8247)]