17991680

素因数分解:

$2^{11}\times 5^1\times 7^1\times {\mathrm{251}}^1$

素因数の和:285

約数の個数: 96

約数和(自身を含む): 49533120

約数和(自身を除く): 31541440

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, 1024, 1120, 1255, 1280, 1757, 1792, 2008, 2048, 2240, 2510, 2560, 3514, 3584, 4016, 4480, 5020, 5120, 7028, 7168, 8032, 8785, 8960, 10040, 10240, 14056, 14336, 16064, 17570, 17920, 20080, 28112, 32128, 35140, 35840, 40160, 56224, 64256, 70280, 71680, 80320, 112448, 128512, 140560, 160640, 224896, 257024, 281120, 321280, 449792, 514048, 562240, 642560, 899584, 1124480, 1285120, 1799168, 2248960, 2570240, 3598336, 4497920, 8995840, 17991680]

約数ペア:

[(1, 17991680), (2, 8995840), (4, 4497920), (5, 3598336), (7, 2570240), (8, 2248960), (10, 1799168), (14, 1285120), (16, 1124480), (20, 899584), (28, 642560), (32, 562240), (35, 514048), (40, 449792), (56, 321280), (64, 281120), (70, 257024), (80, 224896), (112, 160640), (128, 140560), (140, 128512), (160, 112448), (224, 80320), (251, 71680), (256, 70280), (280, 64256), (320, 56224), (448, 40160), (502, 35840), (512, 35140), (560, 32128), (640, 28112), (896, 20080), (1004, 17920), (1024, 17570), (1120, 16064), (1255, 14336), (1280, 14056), (1757, 10240), (1792, 10040), (2008, 8960), (2048, 8785), (2240, 8032), (2510, 7168), (2560, 7028), (3514, 5120), (3584, 5020), (4016, 4480)]