1528240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{2729}}^1$

素因数の和:2749

約数の個数: 40

約数和(自身を含む): 4062240

約数和(自身を除く): 2534000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 2729, 5458, 10916, 13645, 19103, 21832, 27290, 38206, 43664, 54580, 76412, 95515, 109160, 152824, 191030, 218320, 305648, 382060, 764120, 1528240]

約数ペア:

[(1, 1528240), (2, 764120), (4, 382060), (5, 305648), (7, 218320), (8, 191030), (10, 152824), (14, 109160), (16, 95515), (20, 76412), (28, 54580), (35, 43664), (40, 38206), (56, 27290), (70, 21832), (80, 19103), (112, 13645), (140, 10916), (280, 5458), (560, 2729)]