428807680

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{23929}}^1$

素因数の和:23959

約数の個数: 80

約数和(自身を含む): 1175058720

約数和(自身を除く): 746251040

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, 512, 560, 640, 896, 1120, 1280, 1792, 2240, 2560, 3584, 4480, 8960, 17920, 23929, 47858, 95716, 119645, 167503, 191432, 239290, 335006, 382864, 478580, 670012, 765728, 837515, 957160, 1340024, 1531456, 1675030, 1914320, 2680048, 3062912, 3350060, 3828640, 5360096, 6125824, 6700120, 7657280, 10720192, 12251648, 13400240, 15314560, 21440384, 26800480, 30629120, 42880768, 53600960, 61258240, 85761536, 107201920, 214403840, 428807680]

約数ペア:

[(1, 428807680), (2, 214403840), (4, 107201920), (5, 85761536), (7, 61258240), (8, 53600960), (10, 42880768), (14, 30629120), (16, 26800480), (20, 21440384), (28, 15314560), (32, 13400240), (35, 12251648), (40, 10720192), (56, 7657280), (64, 6700120), (70, 6125824), (80, 5360096), (112, 3828640), (128, 3350060), (140, 3062912), (160, 2680048), (224, 1914320), (256, 1675030), (280, 1531456), (320, 1340024), (448, 957160), (512, 837515), (560, 765728), (640, 670012), (896, 478580), (1120, 382864), (1280, 335006), (1792, 239290), (2240, 191432), (2560, 167503), (3584, 119645), (4480, 95716), (8960, 47858), (17920, 23929)]