161780080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{26263}}^1$

素因数の和:26294

約数の個数: 80

約数和(自身を含む): 468969984

約数和(自身を除く): 307189904

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, 26263, 52526, 105052, 131315, 183841, 210104, 262630, 288893, 367682, 420208, 525260, 577786, 735364, 919205, 1050520, 1155572, 1444465, 1470728, 1838410, 2022251, 2101040, 2311144, 2888930, 2941456, 3676820, 4044502, 4622288, 5777860, 7353640, 8089004, 10111255, 11555720, 14707280, 16178008, 20222510, 23111440, 32356016, 40445020, 80890040, 161780080]

約数ペア:

[(1, 161780080), (2, 80890040), (4, 40445020), (5, 32356016), (7, 23111440), (8, 20222510), (10, 16178008), (11, 14707280), (14, 11555720), (16, 10111255), (20, 8089004), (22, 7353640), (28, 5777860), (35, 4622288), (40, 4044502), (44, 3676820), (55, 2941456), (56, 2888930), (70, 2311144), (77, 2101040), (80, 2022251), (88, 1838410), (110, 1470728), (112, 1444465), (140, 1155572), (154, 1050520), (176, 919205), (220, 735364), (280, 577786), (308, 525260), (385, 420208), (440, 367682), (560, 288893), (616, 262630), (770, 210104), (880, 183841), (1232, 131315), (1540, 105052), (3080, 52526), (6160, 26263)]