340165120

素因数分解:

$2^9\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1493}}^1$

素因数の和:1605

約数の個数: 80

約数和(自身を含む): 825315480

約数和(自身を除く): 485150360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 160, 178, 256, 320, 356, 445, 512, 640, 712, 890, 1280, 1424, 1493, 1780, 2560, 2848, 2986, 3560, 5696, 5972, 7120, 7465, 11392, 11944, 14240, 14930, 22784, 23888, 28480, 29860, 45568, 47776, 56960, 59720, 95552, 113920, 119440, 132877, 191104, 227840, 238880, 265754, 382208, 477760, 531508, 664385, 764416, 955520, 1063016, 1328770, 1911040, 2126032, 2657540, 3822080, 4252064, 5315080, 8504128, 10630160, 17008256, 21260320, 34016512, 42520640, 68033024, 85041280, 170082560, 340165120]

約数ペア:

[(1, 340165120), (2, 170082560), (4, 85041280), (5, 68033024), (8, 42520640), (10, 34016512), (16, 21260320), (20, 17008256), (32, 10630160), (40, 8504128), (64, 5315080), (80, 4252064), (89, 3822080), (128, 2657540), (160, 2126032), (178, 1911040), (256, 1328770), (320, 1063016), (356, 955520), (445, 764416), (512, 664385), (640, 531508), (712, 477760), (890, 382208), (1280, 265754), (1424, 238880), (1493, 227840), (1780, 191104), (2560, 132877), (2848, 119440), (2986, 113920), (3560, 95552), (5696, 59720), (5972, 56960), (7120, 47776), (7465, 45568), (11392, 29860), (11944, 28480), (14240, 23888), (14930, 22784)]