54780880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8893}}^1$

素因数の和:8924

約数の個数: 80

約数和(自身を含む): 158811264

約数和(自身を除く): 104030384

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 3080, 6160, 8893, 17786, 35572, 44465, 62251, 71144, 88930, 97823, 124502, 142288, 177860, 195646, 249004, 311255, 355720, 391292, 489115, 498008, 622510, 684761, 711440, 782584, 978230, 996016, 1245020, 1369522, 1565168, 1956460, 2490040, 2739044, 3423805, 3912920, 4980080, 5478088, 6847610, 7825840, 10956176, 13695220, 27390440, 54780880]

約数ペア:

[(1, 54780880), (2, 27390440), (4, 13695220), (5, 10956176), (7, 7825840), (8, 6847610), (10, 5478088), (11, 4980080), (14, 3912920), (16, 3423805), (20, 2739044), (22, 2490040), (28, 1956460), (35, 1565168), (40, 1369522), (44, 1245020), (55, 996016), (56, 978230), (70, 782584), (77, 711440), (80, 684761), (88, 622510), (110, 498008), (112, 489115), (140, 391292), (154, 355720), (176, 311255), (220, 249004), (280, 195646), (308, 177860), (385, 142288), (440, 124502), (560, 97823), (616, 88930), (770, 71144), (880, 62251), (1232, 44465), (1540, 35572), (3080, 17786), (6160, 8893)]