161199360

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{1999}}^1$

素因数の和:2033

約数の個数: 216

約数和(自身を含む): 637728000

約数和(自身を除く): 476528640

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, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1680, 1792, 1920, 1999, 2016, 2240, 2304, 2520, 2688, 2880, 3360, 3840, 3998, 4032, 4480, 5040, 5376, 5760, 5997, 6720, 7996, 8064, 8960, 9995, 10080, 11520, 11994, 13440, 13993, 15992, 16128, 17991, 19990, 20160, 23988, 26880, 27986, 29985, 31984, 35982, 39980, 40320, 41979, 47976, 55972, 59970, 63968, 69965, 71964, 79960, 80640, 83958, 89955, 95952, 111944, 119940, 125937, 127936, 139930, 143928, 159920, 167916, 179910, 191904, 209895, 223888, 239880, 251874, 255872, 279860, 287856, 319840, 335832, 359820, 383808, 419790, 447776, 479760, 503748, 511744, 559720, 575712, 629685, 639680, 671664, 719640, 767616, 839580, 895552, 959520, 1007496, 1119440, 1151424, 1259370, 1279360, 1343328, 1439280, 1535232, 1679160, 1791104, 1919040, 2014992, 2238880, 2302848, 2518740, 2558720, 2686656, 2878560, 3358320, 3582208, 3838080, 4029984, 4477760, 4605696, 5037480, 5373312, 5757120, 6716640, 7676160, 8059968, 8955520, 10074960, 10746624, 11514240, 13433280, 16119936, 17911040, 20149920, 23028480, 26866560, 32239872, 40299840, 53733120, 80599680, 161199360]

約数ペア:

[(1, 161199360), (2, 80599680), (3, 53733120), (4, 40299840), (5, 32239872), (6, 26866560), (7, 23028480), (8, 20149920), (9, 17911040), (10, 16119936), (12, 13433280), (14, 11514240), (15, 10746624), (16, 10074960), (18, 8955520), (20, 8059968), (21, 7676160), (24, 6716640), (28, 5757120), (30, 5373312), (32, 5037480), (35, 4605696), (36, 4477760), (40, 4029984), (42, 3838080), (45, 3582208), (48, 3358320), (56, 2878560), (60, 2686656), (63, 2558720), (64, 2518740), (70, 2302848), (72, 2238880), (80, 2014992), (84, 1919040), (90, 1791104), (96, 1679160), (105, 1535232), (112, 1439280), (120, 1343328), (126, 1279360), (128, 1259370), (140, 1151424), (144, 1119440), (160, 1007496), (168, 959520), (180, 895552), (192, 839580), (210, 767616), (224, 719640), (240, 671664), (252, 639680), (256, 629685), (280, 575712), (288, 559720), (315, 511744), (320, 503748), (336, 479760), (360, 447776), (384, 419790), (420, 383808), (448, 359820), (480, 335832), (504, 319840), (560, 287856), (576, 279860), (630, 255872), (640, 251874), (672, 239880), (720, 223888), (768, 209895), (840, 191904), (896, 179910), (960, 167916), (1008, 159920), (1120, 143928), (1152, 139930), (1260, 127936), (1280, 125937), (1344, 119940), (1440, 111944), (1680, 95952), (1792, 89955), (1920, 83958), (1999, 80640), (2016, 79960), (2240, 71964), (2304, 69965), (2520, 63968), (2688, 59970), (2880, 55972), (3360, 47976), (3840, 41979), (3998, 40320), (4032, 39980), (4480, 35982), (5040, 31984), (5376, 29985), (5760, 27986), (5997, 26880), (6720, 23988), (7996, 20160), (8064, 19990), (8960, 17991), (9995, 16128), (10080, 15992), (11520, 13993), (11994, 13440)]