164885120

素因数分解:

$2^7\times 5^1\times {\mathrm{53}}^1\times {\mathrm{4861}}^1$

素因数の和:4933

約数の個数: 64

約数和(自身を含む): 401698440

約数和(自身を除く): 236813320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 265, 320, 424, 530, 640, 848, 1060, 1696, 2120, 3392, 4240, 4861, 6784, 8480, 9722, 16960, 19444, 24305, 33920, 38888, 48610, 77776, 97220, 155552, 194440, 257633, 311104, 388880, 515266, 622208, 777760, 1030532, 1288165, 1555520, 2061064, 2576330, 3111040, 4122128, 5152660, 8244256, 10305320, 16488512, 20610640, 32977024, 41221280, 82442560, 164885120]

約数ペア:

[(1, 164885120), (2, 82442560), (4, 41221280), (5, 32977024), (8, 20610640), (10, 16488512), (16, 10305320), (20, 8244256), (32, 5152660), (40, 4122128), (53, 3111040), (64, 2576330), (80, 2061064), (106, 1555520), (128, 1288165), (160, 1030532), (212, 777760), (265, 622208), (320, 515266), (424, 388880), (530, 311104), (640, 257633), (848, 194440), (1060, 155552), (1696, 97220), (2120, 77776), (3392, 48610), (4240, 38888), (4861, 33920), (6784, 24305), (8480, 19444), (9722, 16960)]