163969280

素因数分解:

$2^8\times 5^1\times {\mathrm{53}}^1\times {\mathrm{2417}}^1$

素因数の和:2491

約数の個数: 72

約数和(自身を含む): 400333752

約数和(自身を除く): 236364472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 256, 265, 320, 424, 530, 640, 848, 1060, 1280, 1696, 2120, 2417, 3392, 4240, 4834, 6784, 8480, 9668, 12085, 13568, 16960, 19336, 24170, 33920, 38672, 48340, 67840, 77344, 96680, 128101, 154688, 193360, 256202, 309376, 386720, 512404, 618752, 640505, 773440, 1024808, 1281010, 1546880, 2049616, 2562020, 3093760, 4099232, 5124040, 8198464, 10248080, 16396928, 20496160, 32793856, 40992320, 81984640, 163969280]

約数ペア:

[(1, 163969280), (2, 81984640), (4, 40992320), (5, 32793856), (8, 20496160), (10, 16396928), (16, 10248080), (20, 8198464), (32, 5124040), (40, 4099232), (53, 3093760), (64, 2562020), (80, 2049616), (106, 1546880), (128, 1281010), (160, 1024808), (212, 773440), (256, 640505), (265, 618752), (320, 512404), (424, 386720), (530, 309376), (640, 256202), (848, 193360), (1060, 154688), (1280, 128101), (1696, 96680), (2120, 77344), (2417, 67840), (3392, 48340), (4240, 38672), (4834, 33920), (6784, 24170), (8480, 19336), (9668, 16960), (12085, 13568)]