1980709920

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{196499}}^1$

素因数の和:196527

約数の個数: 144

約数和(自身を含む): 7724808000

約数和(自身を除く): 5744098080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 196499, 392998, 589497, 785996, 982495, 1178994, 1375493, 1571992, 1768491, 1964990, 2357988, 2750986, 2947485, 3143984, 3536982, 3929980, 4126479, 4715976, 5501972, 5894970, 6287968, 6877465, 7073964, 7859960, 8252958, 8842455, 9431952, 11003944, 11789940, 12379437, 13754930, 14147928, 15719920, 16505916, 17684910, 18863904, 20632395, 22007888, 23579880, 24758874, 27509860, 28295856, 31439840, 33011832, 35369820, 41264790, 44015776, 47159760, 49517748, 55019720, 56591712, 61897185, 66023664, 70739640, 82529580, 94319520, 99035496, 110039440, 123794370, 132047328, 141479280, 165059160, 198070992, 220078880, 247588740, 282958560, 330118320, 396141984, 495177480, 660236640, 990354960, 1980709920]

約数ペア:

[(1, 1980709920), (2, 990354960), (3, 660236640), (4, 495177480), (5, 396141984), (6, 330118320), (7, 282958560), (8, 247588740), (9, 220078880), (10, 198070992), (12, 165059160), (14, 141479280), (15, 132047328), (16, 123794370), (18, 110039440), (20, 99035496), (21, 94319520), (24, 82529580), (28, 70739640), (30, 66023664), (32, 61897185), (35, 56591712), (36, 55019720), (40, 49517748), (42, 47159760), (45, 44015776), (48, 41264790), (56, 35369820), (60, 33011832), (63, 31439840), (70, 28295856), (72, 27509860), (80, 24758874), (84, 23579880), (90, 22007888), (96, 20632395), (105, 18863904), (112, 17684910), (120, 16505916), (126, 15719920), (140, 14147928), (144, 13754930), (160, 12379437), (168, 11789940), (180, 11003944), (210, 9431952), (224, 8842455), (240, 8252958), (252, 7859960), (280, 7073964), (288, 6877465), (315, 6287968), (336, 5894970), (360, 5501972), (420, 4715976), (480, 4126479), (504, 3929980), (560, 3536982), (630, 3143984), (672, 2947485), (720, 2750986), (840, 2357988), (1008, 1964990), (1120, 1768491), (1260, 1571992), (1440, 1375493), (1680, 1178994), (2016, 982495), (2520, 785996), (3360, 589497), (5040, 392998), (10080, 196499)]