164917120

素因数分解:

$2^7\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2029}}^1$

素因数の和:2175

約数の個数: 64

約数和(自身を含む): 397555200

約数和(自身を除く): 232638080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 320, 508, 635, 640, 1016, 1270, 2029, 2032, 2540, 4058, 4064, 5080, 8116, 8128, 10145, 10160, 16232, 16256, 20290, 20320, 32464, 40580, 40640, 64928, 81160, 81280, 129856, 162320, 257683, 259712, 324640, 515366, 649280, 1030732, 1288415, 1298560, 2061464, 2576830, 4122928, 5153660, 8245856, 10307320, 16491712, 20614640, 32983424, 41229280, 82458560, 164917120]

約数ペア:

[(1, 164917120), (2, 82458560), (4, 41229280), (5, 32983424), (8, 20614640), (10, 16491712), (16, 10307320), (20, 8245856), (32, 5153660), (40, 4122928), (64, 2576830), (80, 2061464), (127, 1298560), (128, 1288415), (160, 1030732), (254, 649280), (320, 515366), (508, 324640), (635, 259712), (640, 257683), (1016, 162320), (1270, 129856), (2029, 81280), (2032, 81160), (2540, 64928), (4058, 40640), (4064, 40580), (5080, 32464), (8116, 20320), (8128, 20290), (10145, 16256), (10160, 16232)]