61505920

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13729}}^1$

素因数の和:13755

約数の個数: 64

約数和(自身を含む): 168055200

約数和(自身を除く): 106549280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 13729, 27458, 54916, 68645, 96103, 109832, 137290, 192206, 219664, 274580, 384412, 439328, 480515, 549160, 768824, 878656, 961030, 1098320, 1537648, 1757312, 1922060, 2196640, 3075296, 3844120, 4393280, 6150592, 7688240, 8786560, 12301184, 15376480, 30752960, 61505920]

約数ペア:

[(1, 61505920), (2, 30752960), (4, 15376480), (5, 12301184), (7, 8786560), (8, 7688240), (10, 6150592), (14, 4393280), (16, 3844120), (20, 3075296), (28, 2196640), (32, 1922060), (35, 1757312), (40, 1537648), (56, 1098320), (64, 961030), (70, 878656), (80, 768824), (112, 549160), (128, 480515), (140, 439328), (160, 384412), (224, 274580), (280, 219664), (320, 192206), (448, 137290), (560, 109832), (640, 96103), (896, 68645), (1120, 54916), (2240, 27458), (4480, 13729)]