164185600

素因数分解:

$2^9\times 5^2\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:256

約数の個数: 120

約数和(自身を含む): 414044928

約数和(自身を除く): 249859328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 101, 127, 128, 160, 200, 202, 254, 256, 320, 400, 404, 505, 508, 512, 635, 640, 800, 808, 1010, 1016, 1270, 1280, 1600, 1616, 2020, 2032, 2525, 2540, 2560, 3175, 3200, 3232, 4040, 4064, 5050, 5080, 6350, 6400, 6464, 8080, 8128, 10100, 10160, 12700, 12800, 12827, 12928, 16160, 16256, 20200, 20320, 25400, 25654, 25856, 32320, 32512, 40400, 40640, 50800, 51308, 51712, 64135, 64640, 65024, 80800, 81280, 101600, 102616, 128270, 129280, 161600, 162560, 203200, 205232, 256540, 258560, 320675, 323200, 325120, 406400, 410464, 513080, 641350, 646400, 812800, 820928, 1026160, 1282700, 1292800, 1625600, 1641856, 2052320, 2565400, 3283712, 4104640, 5130800, 6567424, 8209280, 10261600, 16418560, 20523200, 32837120, 41046400, 82092800, 164185600]

約数ペア:

[(1, 164185600), (2, 82092800), (4, 41046400), (5, 32837120), (8, 20523200), (10, 16418560), (16, 10261600), (20, 8209280), (25, 6567424), (32, 5130800), (40, 4104640), (50, 3283712), (64, 2565400), (80, 2052320), (100, 1641856), (101, 1625600), (127, 1292800), (128, 1282700), (160, 1026160), (200, 820928), (202, 812800), (254, 646400), (256, 641350), (320, 513080), (400, 410464), (404, 406400), (505, 325120), (508, 323200), (512, 320675), (635, 258560), (640, 256540), (800, 205232), (808, 203200), (1010, 162560), (1016, 161600), (1270, 129280), (1280, 128270), (1600, 102616), (1616, 101600), (2020, 81280), (2032, 80800), (2525, 65024), (2540, 64640), (2560, 64135), (3175, 51712), (3200, 51308), (3232, 50800), (4040, 40640), (4064, 40400), (5050, 32512), (5080, 32320), (6350, 25856), (6400, 25654), (6464, 25400), (8080, 20320), (8128, 20200), (10100, 16256), (10160, 16160), (12700, 12928), (12800, 12827)]