257267520

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{89329}}^1$

素因数の和:89352

約数の個数: 84

約数和(自身を含む): 884902980

約数和(自身を除く): 627635460

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, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 89329, 178658, 267987, 357316, 446645, 535974, 714632, 803961, 893290, 1071948, 1339935, 1429264, 1607922, 1786580, 2143896, 2679870, 2858528, 3215844, 3573160, 4019805, 4287792, 5359740, 5717056, 6431688, 7146320, 8039610, 8575584, 10719480, 12863376, 14292640, 16079220, 17151168, 21438960, 25726752, 28585280, 32158440, 42877920, 51453504, 64316880, 85755840, 128633760, 257267520]

約数ペア:

[(1, 257267520), (2, 128633760), (3, 85755840), (4, 64316880), (5, 51453504), (6, 42877920), (8, 32158440), (9, 28585280), (10, 25726752), (12, 21438960), (15, 17151168), (16, 16079220), (18, 14292640), (20, 12863376), (24, 10719480), (30, 8575584), (32, 8039610), (36, 7146320), (40, 6431688), (45, 5717056), (48, 5359740), (60, 4287792), (64, 4019805), (72, 3573160), (80, 3215844), (90, 2858528), (96, 2679870), (120, 2143896), (144, 1786580), (160, 1607922), (180, 1429264), (192, 1339935), (240, 1071948), (288, 893290), (320, 803961), (360, 714632), (480, 535974), (576, 446645), (720, 357316), (960, 267987), (1440, 178658), (2880, 89329)]