289480960

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{11903}}^1$

素因数の和:11943

約数の個数: 72

約数和(自身を含む): 729953280

約数和(自身を除く): 440472320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 608, 640, 760, 1216, 1280, 1520, 2432, 3040, 4864, 6080, 11903, 12160, 23806, 24320, 47612, 59515, 95224, 119030, 190448, 226157, 238060, 380896, 452314, 476120, 761792, 904628, 952240, 1130785, 1523584, 1809256, 1904480, 2261570, 3047168, 3618512, 3808960, 4523140, 7237024, 7617920, 9046280, 14474048, 15235840, 18092560, 28948096, 36185120, 57896192, 72370240, 144740480, 289480960]

約数ペア:

[(1, 289480960), (2, 144740480), (4, 72370240), (5, 57896192), (8, 36185120), (10, 28948096), (16, 18092560), (19, 15235840), (20, 14474048), (32, 9046280), (38, 7617920), (40, 7237024), (64, 4523140), (76, 3808960), (80, 3618512), (95, 3047168), (128, 2261570), (152, 1904480), (160, 1809256), (190, 1523584), (256, 1130785), (304, 952240), (320, 904628), (380, 761792), (608, 476120), (640, 452314), (760, 380896), (1216, 238060), (1280, 226157), (1520, 190448), (2432, 119030), (3040, 95224), (4864, 59515), (6080, 47612), (11903, 24320), (12160, 23806)]