157016720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1091}}^1$

素因数の和:1368

約数の個数: 80

約数和(自身を含む): 419223168

約数和(自身を除く): 262206448

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 257, 280, 514, 560, 1028, 1091, 1285, 1799, 2056, 2182, 2570, 3598, 4112, 4364, 5140, 5455, 7196, 7637, 8728, 8995, 10280, 10910, 14392, 15274, 17456, 17990, 20560, 21820, 28784, 30548, 35980, 38185, 43640, 61096, 71960, 76370, 87280, 122192, 143920, 152740, 280387, 305480, 560774, 610960, 1121548, 1401935, 1962709, 2243096, 2803870, 3925418, 4486192, 5607740, 7850836, 9813545, 11215480, 15701672, 19627090, 22430960, 31403344, 39254180, 78508360, 157016720]

約数ペア:

[(1, 157016720), (2, 78508360), (4, 39254180), (5, 31403344), (7, 22430960), (8, 19627090), (10, 15701672), (14, 11215480), (16, 9813545), (20, 7850836), (28, 5607740), (35, 4486192), (40, 3925418), (56, 2803870), (70, 2243096), (80, 1962709), (112, 1401935), (140, 1121548), (257, 610960), (280, 560774), (514, 305480), (560, 280387), (1028, 152740), (1091, 143920), (1285, 122192), (1799, 87280), (2056, 76370), (2182, 71960), (2570, 61096), (3598, 43640), (4112, 38185), (4364, 35980), (5140, 30548), (5455, 28784), (7196, 21820), (7637, 20560), (8728, 17990), (8995, 17456), (10280, 15274), (10910, 14392)]