4497920

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{251}}^1$

素因数の和:281

約数の個数: 80

約数和(自身を含む): 12374208

約数和(自身を除く): 7876288

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, 251, 256, 280, 320, 448, 502, 512, 560, 640, 896, 1004, 1120, 1255, 1280, 1757, 1792, 2008, 2240, 2510, 2560, 3514, 3584, 4016, 4480, 5020, 7028, 8032, 8785, 8960, 10040, 14056, 16064, 17570, 17920, 20080, 28112, 32128, 35140, 40160, 56224, 64256, 70280, 80320, 112448, 128512, 140560, 160640, 224896, 281120, 321280, 449792, 562240, 642560, 899584, 1124480, 2248960, 4497920]

約数ペア:

[(1, 4497920), (2, 2248960), (4, 1124480), (5, 899584), (7, 642560), (8, 562240), (10, 449792), (14, 321280), (16, 281120), (20, 224896), (28, 160640), (32, 140560), (35, 128512), (40, 112448), (56, 80320), (64, 70280), (70, 64256), (80, 56224), (112, 40160), (128, 35140), (140, 32128), (160, 28112), (224, 20080), (251, 17920), (256, 17570), (280, 16064), (320, 14056), (448, 10040), (502, 8960), (512, 8785), (560, 8032), (640, 7028), (896, 5020), (1004, 4480), (1120, 4016), (1255, 3584), (1280, 3514), (1757, 2560), (1792, 2510), (2008, 2240)]