83776840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{433}}^1\times {\mathrm{691}}^1$

素因数の和:1142

約数の個数: 64

約数和(自身を含む): 216236160

約数和(自身を除く): 132459320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 433, 691, 866, 1382, 1732, 2165, 2764, 3031, 3455, 3464, 4330, 4837, 5528, 6062, 6910, 8660, 9674, 12124, 13820, 15155, 17320, 19348, 24185, 24248, 27640, 30310, 38696, 48370, 60620, 96740, 121240, 193480, 299203, 598406, 1196812, 1496015, 2094421, 2393624, 2992030, 4188842, 5984060, 8377684, 10472105, 11968120, 16755368, 20944210, 41888420, 83776840]

約数ペア:

[(1, 83776840), (2, 41888420), (4, 20944210), (5, 16755368), (7, 11968120), (8, 10472105), (10, 8377684), (14, 5984060), (20, 4188842), (28, 2992030), (35, 2393624), (40, 2094421), (56, 1496015), (70, 1196812), (140, 598406), (280, 299203), (433, 193480), (691, 121240), (866, 96740), (1382, 60620), (1732, 48370), (2165, 38696), (2764, 30310), (3031, 27640), (3455, 24248), (3464, 24185), (4330, 19348), (4837, 17320), (5528, 15155), (6062, 13820), (6910, 12124), (8660, 9674)]