71966720

素因数分解:

$2^{13}\times 5^1\times 7^1\times {\mathrm{251}}^1$

素因数の和:289

約数の個数: 112

約数和(自身を含む): 198168768

約数和(自身を除く): 126202048

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, 4096, 4480, 5020, 5120, 7028, 7168, 8032, 8192, 8785, 8960, 10040, 10240, 14056, 14336, 16064, 17570, 17920, 20080, 20480, 28112, 28672, 32128, 35140, 35840, 40160, 40960, 56224, 57344, 64256, 70280, 71680, 80320, 112448, 128512, 140560, 143360, 160640, 224896, 257024, 281120, 286720, 321280, 449792, 514048, 562240, 642560, 899584, 1028096, 1124480, 1285120, 1799168, 2056192, 2248960, 2570240, 3598336, 4497920, 5140480, 7196672, 8995840, 10280960, 14393344, 17991680, 35983360, 71966720]

約数ペア:

[(1, 71966720), (2, 35983360), (4, 17991680), (5, 14393344), (7, 10280960), (8, 8995840), (10, 7196672), (14, 5140480), (16, 4497920), (20, 3598336), (28, 2570240), (32, 2248960), (35, 2056192), (40, 1799168), (56, 1285120), (64, 1124480), (70, 1028096), (80, 899584), (112, 642560), (128, 562240), (140, 514048), (160, 449792), (224, 321280), (251, 286720), (256, 281120), (280, 257024), (320, 224896), (448, 160640), (502, 143360), (512, 140560), (560, 128512), (640, 112448), (896, 80320), (1004, 71680), (1024, 70280), (1120, 64256), (1255, 57344), (1280, 56224), (1757, 40960), (1792, 40160), (2008, 35840), (2048, 35140), (2240, 32128), (2510, 28672), (2560, 28112), (3514, 20480), (3584, 20080), (4016, 17920), (4096, 17570), (4480, 16064), (5020, 14336), (5120, 14056), (7028, 10240), (7168, 10040), (8032, 8960), (8192, 8785)]