64491520

素因数分解:

$2^{12}\times 5^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:143

約数の個数: 104

約数和(自身を含む): 160412544

約数和(自身を除く): 95921024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 67, 80, 94, 128, 134, 160, 188, 235, 256, 268, 320, 335, 376, 470, 512, 536, 640, 670, 752, 940, 1024, 1072, 1280, 1340, 1504, 1880, 2048, 2144, 2560, 2680, 3008, 3149, 3760, 4096, 4288, 5120, 5360, 6016, 6298, 7520, 8576, 10240, 10720, 12032, 12596, 15040, 15745, 17152, 20480, 21440, 24064, 25192, 30080, 31490, 34304, 42880, 48128, 50384, 60160, 62980, 68608, 85760, 96256, 100768, 120320, 125960, 137216, 171520, 192512, 201536, 240640, 251920, 274432, 343040, 403072, 481280, 503840, 686080, 806144, 962560, 1007680, 1372160, 1612288, 2015360, 3224576, 4030720, 6449152, 8061440, 12898304, 16122880, 32245760, 64491520]

約数ペア:

[(1, 64491520), (2, 32245760), (4, 16122880), (5, 12898304), (8, 8061440), (10, 6449152), (16, 4030720), (20, 3224576), (32, 2015360), (40, 1612288), (47, 1372160), (64, 1007680), (67, 962560), (80, 806144), (94, 686080), (128, 503840), (134, 481280), (160, 403072), (188, 343040), (235, 274432), (256, 251920), (268, 240640), (320, 201536), (335, 192512), (376, 171520), (470, 137216), (512, 125960), (536, 120320), (640, 100768), (670, 96256), (752, 85760), (940, 68608), (1024, 62980), (1072, 60160), (1280, 50384), (1340, 48128), (1504, 42880), (1880, 34304), (2048, 31490), (2144, 30080), (2560, 25192), (2680, 24064), (3008, 21440), (3149, 20480), (3760, 17152), (4096, 15745), (4288, 15040), (5120, 12596), (5360, 12032), (6016, 10720), (6298, 10240), (7520, 8576)]