156964720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{1667}}^1$

素因数の和:1798

約数の個数: 80

約数和(自身を含む): 402081408

約数和(自身を除く): 245116688

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 107, 110, 176, 214, 220, 428, 440, 535, 856, 880, 1070, 1177, 1667, 1712, 2140, 2354, 3334, 4280, 4708, 5885, 6668, 8335, 8560, 9416, 11770, 13336, 16670, 18337, 18832, 23540, 26672, 33340, 36674, 47080, 66680, 73348, 91685, 94160, 133360, 146696, 178369, 183370, 293392, 356738, 366740, 713476, 733480, 891845, 1426952, 1466960, 1783690, 1962059, 2853904, 3567380, 3924118, 7134760, 7848236, 9810295, 14269520, 15696472, 19620590, 31392944, 39241180, 78482360, 156964720]

約数ペア:

[(1, 156964720), (2, 78482360), (4, 39241180), (5, 31392944), (8, 19620590), (10, 15696472), (11, 14269520), (16, 9810295), (20, 7848236), (22, 7134760), (40, 3924118), (44, 3567380), (55, 2853904), (80, 1962059), (88, 1783690), (107, 1466960), (110, 1426952), (176, 891845), (214, 733480), (220, 713476), (428, 366740), (440, 356738), (535, 293392), (856, 183370), (880, 178369), (1070, 146696), (1177, 133360), (1667, 94160), (1712, 91685), (2140, 73348), (2354, 66680), (3334, 47080), (4280, 36674), (4708, 33340), (5885, 26672), (6668, 23540), (8335, 18832), (8560, 18337), (9416, 16670), (11770, 13336)]