2516711680

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{280883}}^1$

素因数の和:280911

約数の個数: 72

約数和(自身を含む): 6889522752

約数和(自身を除く): 4372811072

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 280883, 561766, 1123532, 1404415, 1966181, 2247064, 2808830, 3932362, 4494128, 5617660, 7864724, 8988256, 9830905, 11235320, 15729448, 17976512, 19661810, 22470640, 31458896, 35953024, 39323620, 44941280, 62917792, 71906048, 78647240, 89882560, 125835584, 157294480, 179765120, 251671168, 314588960, 359530240, 503342336, 629177920, 1258355840, 2516711680]

約数ペア:

[(1, 2516711680), (2, 1258355840), (4, 629177920), (5, 503342336), (7, 359530240), (8, 314588960), (10, 251671168), (14, 179765120), (16, 157294480), (20, 125835584), (28, 89882560), (32, 78647240), (35, 71906048), (40, 62917792), (56, 44941280), (64, 39323620), (70, 35953024), (80, 31458896), (112, 22470640), (128, 19661810), (140, 17976512), (160, 15729448), (224, 11235320), (256, 9830905), (280, 8988256), (320, 7864724), (448, 5617660), (560, 4494128), (640, 3932362), (896, 2808830), (1120, 2247064), (1280, 1966181), (1792, 1404415), (2240, 1123532), (4480, 561766), (8960, 280883)]