1257267840

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{654827}}^1$

素因数の和:654849

約数の個数: 64

約数和(自身を含む): 4007547360

約数和(自身を除く): 2750279520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 654827, 1309654, 1964481, 2619308, 3274135, 3928962, 5238616, 6548270, 7857924, 9822405, 10477232, 13096540, 15715848, 19644810, 20954464, 26193080, 31431696, 39289620, 41908928, 52386160, 62863392, 78579240, 83817856, 104772320, 125726784, 157158480, 209544640, 251453568, 314316960, 419089280, 628633920, 1257267840]

約数ペア:

[(1, 1257267840), (2, 628633920), (3, 419089280), (4, 314316960), (5, 251453568), (6, 209544640), (8, 157158480), (10, 125726784), (12, 104772320), (15, 83817856), (16, 78579240), (20, 62863392), (24, 52386160), (30, 41908928), (32, 39289620), (40, 31431696), (48, 26193080), (60, 20954464), (64, 19644810), (80, 15715848), (96, 13096540), (120, 10477232), (128, 9822405), (160, 7857924), (192, 6548270), (240, 5238616), (320, 3928962), (384, 3274135), (480, 2619308), (640, 1964481), (960, 1309654), (1920, 654827)]