129968117680

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1607}}^1\times {\mathrm{16573}}^1$

素因数の和:18254

約数の個数: 80

約数和(自身を含む): 307339239744

約数和(自身を除く): 177371122064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 1607, 2440, 3214, 4880, 6428, 8035, 12856, 16070, 16573, 25712, 32140, 33146, 64280, 66292, 82865, 98027, 128560, 132584, 165730, 196054, 265168, 331460, 392108, 490135, 662920, 784216, 980270, 1010953, 1325840, 1568432, 1960540, 2021906, 3921080, 4043812, 5054765, 7842160, 8087624, 10109530, 16175248, 20219060, 26632811, 40438120, 53265622, 80876240, 106531244, 133164055, 213062488, 266328110, 426124976, 532656220, 1065312440, 1624601471, 2130624880, 3249202942, 6498405884, 8123007355, 12996811768, 16246014710, 25993623536, 32492029420, 64984058840, 129968117680]

約数ペア:

[(1, 129968117680), (2, 64984058840), (4, 32492029420), (5, 25993623536), (8, 16246014710), (10, 12996811768), (16, 8123007355), (20, 6498405884), (40, 3249202942), (61, 2130624880), (80, 1624601471), (122, 1065312440), (244, 532656220), (305, 426124976), (488, 266328110), (610, 213062488), (976, 133164055), (1220, 106531244), (1607, 80876240), (2440, 53265622), (3214, 40438120), (4880, 26632811), (6428, 20219060), (8035, 16175248), (12856, 10109530), (16070, 8087624), (16573, 7842160), (25712, 5054765), (32140, 4043812), (33146, 3921080), (64280, 2021906), (66292, 1960540), (82865, 1568432), (98027, 1325840), (128560, 1010953), (132584, 980270), (165730, 784216), (196054, 662920), (265168, 490135), (331460, 392108)]