85711640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{443}}^1\times {\mathrm{691}}^1$

素因数の和:1152

約数の個数: 64

約数和(自身を含む): 221218560

約数和(自身を除く): 135506920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 443, 691, 886, 1382, 1772, 2215, 2764, 3101, 3455, 3544, 4430, 4837, 5528, 6202, 6910, 8860, 9674, 12404, 13820, 15505, 17720, 19348, 24185, 24808, 27640, 31010, 38696, 48370, 62020, 96740, 124040, 193480, 306113, 612226, 1224452, 1530565, 2142791, 2448904, 3061130, 4285582, 6122260, 8571164, 10713955, 12244520, 17142328, 21427910, 42855820, 85711640]

約数ペア:

[(1, 85711640), (2, 42855820), (4, 21427910), (5, 17142328), (7, 12244520), (8, 10713955), (10, 8571164), (14, 6122260), (20, 4285582), (28, 3061130), (35, 2448904), (40, 2142791), (56, 1530565), (70, 1224452), (140, 612226), (280, 306113), (443, 193480), (691, 124040), (886, 96740), (1382, 62020), (1772, 48370), (2215, 38696), (2764, 31010), (3101, 27640), (3455, 24808), (3544, 24185), (4430, 19348), (4837, 17720), (5528, 15505), (6202, 13820), (6910, 12404), (8860, 9674)]