1615360

素因数分解:

$2^9\times 5^1\times {\mathrm{631}}^1$

素因数の和:654

約数の個数: 40

約数和(自身を含む): 3879216

約数和(自身を除く): 2263856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 631, 640, 1262, 1280, 2524, 2560, 3155, 5048, 6310, 10096, 12620, 20192, 25240, 40384, 50480, 80768, 100960, 161536, 201920, 323072, 403840, 807680, 1615360]

約数ペア:

[(1, 1615360), (2, 807680), (4, 403840), (5, 323072), (8, 201920), (10, 161536), (16, 100960), (20, 80768), (32, 50480), (40, 40384), (64, 25240), (80, 20192), (128, 12620), (160, 10096), (256, 6310), (320, 5048), (512, 3155), (631, 2560), (640, 2524), (1262, 1280)]