280319040

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{743}}^1$

素因数の和:897

約数の個数: 168

約数和(自身を含む): 972848448

約数和(自身を除く): 692529408

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 131, 144, 160, 180, 192, 240, 262, 288, 320, 360, 393, 480, 524, 576, 655, 720, 743, 786, 960, 1048, 1179, 1310, 1440, 1486, 1572, 1965, 2096, 2229, 2358, 2620, 2880, 2972, 3144, 3715, 3930, 4192, 4458, 4716, 5240, 5895, 5944, 6288, 6687, 7430, 7860, 8384, 8916, 9432, 10480, 11145, 11790, 11888, 12576, 13374, 14860, 15720, 17832, 18864, 20960, 22290, 23580, 23776, 25152, 26748, 29720, 31440, 33435, 35664, 37728, 41920, 44580, 47160, 47552, 53496, 59440, 62880, 66870, 71328, 75456, 89160, 94320, 97333, 106992, 118880, 125760, 133740, 142656, 178320, 188640, 194666, 213984, 237760, 267480, 291999, 356640, 377280, 389332, 427968, 486665, 534960, 583998, 713280, 778664, 875997, 973330, 1069920, 1167996, 1459995, 1557328, 1751994, 1946660, 2139840, 2335992, 2919990, 3114656, 3503988, 3893320, 4379985, 4671984, 5839980, 6229312, 7007976, 7786640, 8759970, 9343968, 11679960, 14015952, 15573280, 17519940, 18687936, 23359920, 28031904, 31146560, 35039880, 46719840, 56063808, 70079760, 93439680, 140159520, 280319040]

約数ペア:

[(1, 280319040), (2, 140159520), (3, 93439680), (4, 70079760), (5, 56063808), (6, 46719840), (8, 35039880), (9, 31146560), (10, 28031904), (12, 23359920), (15, 18687936), (16, 17519940), (18, 15573280), (20, 14015952), (24, 11679960), (30, 9343968), (32, 8759970), (36, 7786640), (40, 7007976), (45, 6229312), (48, 5839980), (60, 4671984), (64, 4379985), (72, 3893320), (80, 3503988), (90, 3114656), (96, 2919990), (120, 2335992), (131, 2139840), (144, 1946660), (160, 1751994), (180, 1557328), (192, 1459995), (240, 1167996), (262, 1069920), (288, 973330), (320, 875997), (360, 778664), (393, 713280), (480, 583998), (524, 534960), (576, 486665), (655, 427968), (720, 389332), (743, 377280), (786, 356640), (960, 291999), (1048, 267480), (1179, 237760), (1310, 213984), (1440, 194666), (1486, 188640), (1572, 178320), (1965, 142656), (2096, 133740), (2229, 125760), (2358, 118880), (2620, 106992), (2880, 97333), (2972, 94320), (3144, 89160), (3715, 75456), (3930, 71328), (4192, 66870), (4458, 62880), (4716, 59440), (5240, 53496), (5895, 47552), (5944, 47160), (6288, 44580), (6687, 41920), (7430, 37728), (7860, 35664), (8384, 33435), (8916, 31440), (9432, 29720), (10480, 26748), (11145, 25152), (11790, 23776), (11888, 23580), (12576, 22290), (13374, 20960), (14860, 18864), (15720, 17832)]