158266640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{691}}^1$

素因数の和:1120

約数の個数: 80

約数和(自身を含む): 422175360

約数和(自身を除く): 263908720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 409, 560, 691, 818, 1382, 1636, 2045, 2764, 2863, 3272, 3455, 4090, 4837, 5528, 5726, 6544, 6910, 8180, 9674, 11056, 11452, 13820, 14315, 16360, 19348, 22904, 24185, 27640, 28630, 32720, 38696, 45808, 48370, 55280, 57260, 77392, 96740, 114520, 193480, 229040, 282619, 386960, 565238, 1130476, 1413095, 1978333, 2260952, 2826190, 3956666, 4521904, 5652380, 7913332, 9891665, 11304760, 15826664, 19783330, 22609520, 31653328, 39566660, 79133320, 158266640]

約数ペア:

[(1, 158266640), (2, 79133320), (4, 39566660), (5, 31653328), (7, 22609520), (8, 19783330), (10, 15826664), (14, 11304760), (16, 9891665), (20, 7913332), (28, 5652380), (35, 4521904), (40, 3956666), (56, 2826190), (70, 2260952), (80, 1978333), (112, 1413095), (140, 1130476), (280, 565238), (409, 386960), (560, 282619), (691, 229040), (818, 193480), (1382, 114520), (1636, 96740), (2045, 77392), (2764, 57260), (2863, 55280), (3272, 48370), (3455, 45808), (4090, 38696), (4837, 32720), (5528, 28630), (5726, 27640), (6544, 24185), (6910, 22904), (8180, 19348), (9674, 16360), (11056, 14315), (11452, 13820)]